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Finding the Fourth Proportional to 177,386.80, 266,155.80 and 93,211.60

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Solution

The fourth proportional to 177,386.80, 266,155.80 and 93,211.60 is: 139,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,386.80 : 266,155.80 = 93,211.60 : x
  2. Step 2: Convert to fraction form
    177,386.80/266,155.80 = 93,211.60/x
  3. Step 3: Cross multiply
    177,386.80x = 266,155.80 × 93,211.60
  4. Step 4: Simplify right side
    177,386.80x = 24,808,807,967.28
  5. Step 5: Solve for x
    x = 24,808,807,967.28/177,386.80
  6. Step 6: Final answer
    x = 139,857.13

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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.