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Finding the Fourth Proportional to 62,415,815.20, 93,497,751.60 and 35,457,978.40

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Solution

The fourth proportional to 62,415,815.20, 93,497,751.60 and 35,457,978.40 is: 53,115,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415,815.20 : 93,497,751.60 = 35,457,978.40 : x
  2. Step 2: Convert to fraction form
    62,415,815.20/93,497,751.60 = 35,457,978.40/x
  3. Step 3: Cross multiply
    62,415,815.20x = 93,497,751.60 × 35,457,978.40
  4. Step 4: Simplify right side
    62,415,815.20x = 3,315,241,256,681,365
  5. Step 5: Solve for x
    x = 3,315,241,256,681,365/62,415,815.20
  6. Step 6: Final answer
    x = 53,115,404.26

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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.