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Finding the Fourth Proportional to 51,009,969.35, 76,514,954.03 and 51,009,969.35

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Solution

The fourth proportional to 51,009,969.35, 76,514,954.03 and 51,009,969.35 is: 76,514,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009,969.35 : 76,514,954.03 = 51,009,969.35 : x
  2. Step 2: Convert to fraction form
    51,009,969.35/76,514,954.03 = 51,009,969.35/x
  3. Step 3: Cross multiply
    51,009,969.35x = 76,514,954.03 × 51,009,969.35
  4. Step 4: Simplify right side
    51,009,969.35x = 3,903,025,459,886,959
  5. Step 5: Solve for x
    x = 3,903,025,459,886,959/51,009,969.35
  6. Step 6: Final answer
    x = 76,514,954.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.