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Finding the Fourth Proportional to 188,365.19, 282,549.98 and 55,248.10

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Solution

The fourth proportional to 188,365.19, 282,549.98 and 55,248.10 is: 82,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,365.19 : 282,549.98 = 55,248.10 : x
  2. Step 2: Convert to fraction form
    188,365.19/282,549.98 = 55,248.10/x
  3. Step 3: Cross multiply
    188,365.19x = 282,549.98 × 55,248.10
  4. Step 4: Simplify right side
    188,365.19x = 15,610,350,256.41
  5. Step 5: Solve for x
    x = 15,610,350,256.41/188,365.19
  6. Step 6: Final answer
    x = 82,872.80

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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.