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Finding the Fourth Proportional to 177,385.60, 266,078.40 and 93,113.20

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Solution

The fourth proportional to 177,385.60, 266,078.40 and 93,113.20 is: 139,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,385.60 : 266,078.40 = 93,113.20 : x
  2. Step 2: Convert to fraction form
    177,385.60/266,078.40 = 93,113.20/x
  3. Step 3: Cross multiply
    177,385.60x = 266,078.40 × 93,113.20
  4. Step 4: Simplify right side
    177,385.60x = 24,775,411,274.88
  5. Step 5: Solve for x
    x = 24,775,411,274.88/177,385.60
  6. Step 6: Final answer
    x = 139,669.80

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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.