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Finding the Fourth Proportional to 181,393.40, 272,139.12 and 63,071.24

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Solution

The fourth proportional to 181,393.40, 272,139.12 and 63,071.24 is: 94,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,393.40 : 272,139.12 = 63,071.24 : x
  2. Step 2: Convert to fraction form
    181,393.40/272,139.12 = 63,071.24/x
  3. Step 3: Cross multiply
    181,393.40x = 272,139.12 × 63,071.24
  4. Step 4: Simplify right side
    181,393.40x = 17,164,151,750.91
  5. Step 5: Solve for x
    x = 17,164,151,750.91/181,393.40
  6. Step 6: Final answer
    x = 94,623.90

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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.