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Finding the Fourth Proportional to 38,018,701.80, 53,360,551.80 and 38,018,701.80

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Solution

The fourth proportional to 38,018,701.80, 53,360,551.80 and 38,018,701.80 is: 53,360,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018,701.80 : 53,360,551.80 = 38,018,701.80 : x
  2. Step 2: Convert to fraction form
    38,018,701.80/53,360,551.80 = 38,018,701.80/x
  3. Step 3: Cross multiply
    38,018,701.80x = 53,360,551.80 × 38,018,701.80
  4. Step 4: Simplify right side
    38,018,701.80x = 2,028,698,906,767,653
  5. Step 5: Solve for x
    x = 2,028,698,906,767,653/38,018,701.80
  6. Step 6: Final answer
    x = 53,360,551.80

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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.