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Finding the Fourth Proportional to 98,334,140.20, 147,217,775.10 and 98,334,140.20

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Solution

The fourth proportional to 98,334,140.20, 147,217,775.10 and 98,334,140.20 is: 147,217,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334,140.20 : 147,217,775.10 = 98,334,140.20 : x
  2. Step 2: Convert to fraction form
    98,334,140.20/147,217,775.10 = 98,334,140.20/x
  3. Step 3: Cross multiply
    98,334,140.20x = 147,217,775.10 × 98,334,140.20
  4. Step 4: Simplify right side
    98,334,140.20x = 14,476,533,336,615,468
  5. Step 5: Solve for x
    x = 14,476,533,336,615,468/98,334,140.20
  6. Step 6: Final answer
    x = 147,217,775.10

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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.