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Finding the Fourth Proportional to 181,465.13, 250,421.88 and 101,977.13

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Solution

The fourth proportional to 181,465.13, 250,421.88 and 101,977.13 is: 140,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,465.13 : 250,421.88 = 101,977.13 : x
  2. Step 2: Convert to fraction form
    181,465.13/250,421.88 = 101,977.13/x
  3. Step 3: Cross multiply
    181,465.13x = 250,421.88 × 101,977.13
  4. Step 4: Simplify right side
    181,465.13x = 25,537,303,359.50
  5. Step 5: Solve for x
    x = 25,537,303,359.50/181,465.13
  6. Step 6: Final answer
    x = 140,728.44

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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.