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Finding the Fourth Proportional to 158,491.48, 237,885.12 and 83,666.92

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Solution

The fourth proportional to 158,491.48, 237,885.12 and 83,666.92 is: 125,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,491.48 : 237,885.12 = 83,666.92 : x
  2. Step 2: Convert to fraction form
    158,491.48/237,885.12 = 83,666.92/x
  3. Step 3: Cross multiply
    158,491.48x = 237,885.12 × 83,666.92
  4. Step 4: Simplify right side
    158,491.48x = 19,903,115,304.23
  5. Step 5: Solve for x
    x = 19,903,115,304.23/158,491.48
  6. Step 6: Final answer
    x = 125,578.46

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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.