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Finding the Fourth Proportional to 177,862.80, 266,448.60 and 98,835.60

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Solution

The fourth proportional to 177,862.80, 266,448.60 and 98,835.60 is: 148,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,862.80 : 266,448.60 = 98,835.60 : x
  2. Step 2: Convert to fraction form
    177,862.80/266,448.60 = 98,835.60/x
  3. Step 3: Cross multiply
    177,862.80x = 266,448.60 × 98,835.60
  4. Step 4: Simplify right side
    177,862.80x = 26,334,607,250.16
  5. Step 5: Solve for x
    x = 26,334,607,250.16/177,862.80
  6. Step 6: Final answer
    x = 148,061.36

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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.