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Finding the Fourth Proportional to 181,348.96, 250,253.40 and 100,776.10

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Solution

The fourth proportional to 181,348.96, 250,253.40 and 100,776.10 is: 139,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,348.96 : 250,253.40 = 100,776.10 : x
  2. Step 2: Convert to fraction form
    181,348.96/250,253.40 = 100,776.10/x
  3. Step 3: Cross multiply
    181,348.96x = 250,253.40 × 100,776.10
  4. Step 4: Simplify right side
    181,348.96x = 25,219,561,663.74
  5. Step 5: Solve for x
    x = 25,219,561,663.74/181,348.96
  6. Step 6: Final answer
    x = 139,066.48

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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.