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Finding the Fourth Proportional to 93,497,607.80, 140,246,411.70 and 77,572,359.80

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Solution

The fourth proportional to 93,497,607.80, 140,246,411.70 and 77,572,359.80 is: 116,358,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,497,607.80 : 140,246,411.70 = 77,572,359.80 : x
  2. Step 2: Convert to fraction form
    93,497,607.80/140,246,411.70 = 77,572,359.80/x
  3. Step 3: Cross multiply
    93,497,607.80x = 140,246,411.70 × 77,572,359.80
  4. Step 4: Simplify right side
    93,497,607.80x = 10,879,245,109,051,328
  5. Step 5: Solve for x
    x = 10,879,245,109,051,328/93,497,607.80
  6. Step 6: Final answer
    x = 116,358,539.70

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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.