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Finding the Fourth Proportional to 261,602.48, 392,058.08 and 95,230.64

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Solution

The fourth proportional to 261,602.48, 392,058.08 and 95,230.64 is: 142,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,602.48 : 392,058.08 = 95,230.64 : x
  2. Step 2: Convert to fraction form
    261,602.48/392,058.08 = 95,230.64/x
  3. Step 3: Cross multiply
    261,602.48x = 392,058.08 × 95,230.64
  4. Step 4: Simplify right side
    261,602.48x = 37,335,941,875.57
  5. Step 5: Solve for x
    x = 37,335,941,875.57/261,602.48
  6. Step 6: Final answer
    x = 142,720.14

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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.