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Finding the Fourth Proportional to 92,700,193.60, 139,066,879.20 and 38,852,948.80

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Solution

The fourth proportional to 92,700,193.60, 139,066,879.20 and 38,852,948.80 is: 58,286,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,700,193.60 : 139,066,879.20 = 38,852,948.80 : x
  2. Step 2: Convert to fraction form
    92,700,193.60/139,066,879.20 = 38,852,948.80/x
  3. Step 3: Cross multiply
    92,700,193.60x = 139,066,879.20 × 38,852,948.80
  4. Step 4: Simplify right side
    92,700,193.60x = 5,403,158,337,333,384
  5. Step 5: Solve for x
    x = 5,403,158,337,333,384/92,700,193.60
  6. Step 6: Final answer
    x = 58,286,375.98

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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.