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Finding the Fourth Proportional to 185,655,807.60, 278,483,711.40 and 93,503,938.20

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Solution

The fourth proportional to 185,655,807.60, 278,483,711.40 and 93,503,938.20 is: 140,255,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655,807.60 : 278,483,711.40 = 93,503,938.20 : x
  2. Step 2: Convert to fraction form
    185,655,807.60/278,483,711.40 = 93,503,938.20/x
  3. Step 3: Cross multiply
    185,655,807.60x = 278,483,711.40 × 93,503,938.20
  4. Step 4: Simplify right side
    185,655,807.60x = 26,039,323,740,452,236
  5. Step 5: Solve for x
    x = 26,039,323,740,452,236/185,655,807.60
  6. Step 6: Final answer
    x = 140,255,907.30

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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.