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Finding the Fourth Proportional to 181,491.40, 272,237.10 and 97,510.60

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Solution

The fourth proportional to 181,491.40, 272,237.10 and 97,510.60 is: 146,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,491.40 : 272,237.10 = 97,510.60 : x
  2. Step 2: Convert to fraction form
    181,491.40/272,237.10 = 97,510.60/x
  3. Step 3: Cross multiply
    181,491.40x = 272,237.10 × 97,510.60
  4. Step 4: Simplify right side
    181,491.40x = 26,546,002,963.26
  5. Step 5: Solve for x
    x = 26,546,002,963.26/181,491.40
  6. Step 6: Final answer
    x = 146,265.90

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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.