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Finding the Fourth Proportional to 181,925.76, 251,051.22 and 101,349.12

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Solution

The fourth proportional to 181,925.76, 251,051.22 and 101,349.12 is: 139,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,925.76 : 251,051.22 = 101,349.12 : x
  2. Step 2: Convert to fraction form
    181,925.76/251,051.22 = 101,349.12/x
  3. Step 3: Cross multiply
    181,925.76x = 251,051.22 × 101,349.12
  4. Step 4: Simplify right side
    181,925.76x = 25,443,820,221.93
  5. Step 5: Solve for x
    x = 25,443,820,221.93/181,925.76
  6. Step 6: Final answer
    x = 139,858.26

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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.