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Finding the Fourth Proportional to 150,761,010.90, 210,634,948.05 and 150,761,010.90

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Solution

The fourth proportional to 150,761,010.90, 210,634,948.05 and 150,761,010.90 is: 210,634,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,761,010.90 : 210,634,948.05 = 150,761,010.90 : x
  2. Step 2: Convert to fraction form
    150,761,010.90/210,634,948.05 = 150,761,010.90/x
  3. Step 3: Cross multiply
    150,761,010.90x = 210,634,948.05 × 150,761,010.90
  4. Step 4: Simplify right side
    150,761,010.90x = 31,755,537,698,886,988
  5. Step 5: Solve for x
    x = 31,755,537,698,886,988/150,761,010.90
  6. Step 6: Final answer
    x = 210,634,948.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.