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Finding the Fourth Proportional to 181,878.40, 272,817.60 and 93,304.90

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Solution

The fourth proportional to 181,878.40, 272,817.60 and 93,304.90 is: 139,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,878.40 : 272,817.60 = 93,304.90 : x
  2. Step 2: Convert to fraction form
    181,878.40/272,817.60 = 93,304.90/x
  3. Step 3: Cross multiply
    181,878.40x = 272,817.60 × 93,304.90
  4. Step 4: Simplify right side
    181,878.40x = 25,455,218,886.24
  5. Step 5: Solve for x
    x = 25,455,218,886.24/181,878.40
  6. Step 6: Final answer
    x = 139,957.35

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1.5x scale

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.