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Finding the Fourth Proportional to 181,870.53, 250,989.12 and 101,298.08

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Solution

The fourth proportional to 181,870.53, 250,989.12 and 101,298.08 is: 139,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,870.53 : 250,989.12 = 101,298.08 : x
  2. Step 2: Convert to fraction form
    181,870.53/250,989.12 = 101,298.08/x
  3. Step 3: Cross multiply
    181,870.53x = 250,989.12 × 101,298.08
  4. Step 4: Simplify right side
    181,870.53x = 25,424,714,701.94
  5. Step 5: Solve for x
    x = 25,424,714,701.94/181,870.53
  6. Step 6: Final answer
    x = 139,795.68

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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.