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Finding the Fourth Proportional to 181,884.61, 251,008.50 and 101,312.17

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Solution

The fourth proportional to 181,884.61, 251,008.50 and 101,312.17 is: 139,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,884.61 : 251,008.50 = 101,312.17 : x
  2. Step 2: Convert to fraction form
    181,884.61/251,008.50 = 101,312.17/x
  3. Step 3: Cross multiply
    181,884.61x = 251,008.50 × 101,312.17
  4. Step 4: Simplify right side
    181,884.61x = 25,430,215,823.45
  5. Step 5: Solve for x
    x = 25,430,215,823.45/181,884.61
  6. Step 6: Final answer
    x = 139,815.10

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1.5x scale

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.