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Finding the Fourth Proportional to 181,248.96, 250,082.40 and 105,808.32

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Solution

The fourth proportional to 181,248.96, 250,082.40 and 105,808.32 is: 145,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,248.96 : 250,082.40 = 105,808.32 : x
  2. Step 2: Convert to fraction form
    181,248.96/250,082.40 = 105,808.32/x
  3. Step 3: Cross multiply
    181,248.96x = 250,082.40 × 105,808.32
  4. Step 4: Simplify right side
    181,248.96x = 26,460,798,605.57
  5. Step 5: Solve for x
    x = 26,460,798,605.57/181,248.96
  6. Step 6: Final answer
    x = 145,991.45

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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.