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Finding the Fourth Proportional to 123,552, 185,358.96 and 57,038.64

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Solution

The fourth proportional to 123,552, 185,358.96 and 57,038.64 is: 85,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,552 : 185,358.96 = 57,038.64 : x
  2. Step 2: Convert to fraction form
    123,552/185,358.96 = 57,038.64/x
  3. Step 3: Cross multiply
    123,552x = 185,358.96 × 57,038.64
  4. Step 4: Simplify right side
    123,552x = 10,572,622,990.21
  5. Step 5: Solve for x
    x = 10,572,622,990.21/123,552
  6. Step 6: Final answer
    x = 85,572.25

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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.