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Finding the Fourth Proportional to 238,294.47, 328,845.51 and 130,871.46

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Solution

The fourth proportional to 238,294.47, 328,845.51 and 130,871.46 is: 180,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,294.47 : 328,845.51 = 130,871.46 : x
  2. Step 2: Convert to fraction form
    238,294.47/328,845.51 = 130,871.46/x
  3. Step 3: Cross multiply
    238,294.47x = 328,845.51 × 130,871.46
  4. Step 4: Simplify right side
    238,294.47x = 43,036,492,008.14
  5. Step 5: Solve for x
    x = 43,036,492,008.14/238,294.47
  6. Step 6: Final answer
    x = 180,602.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.