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Finding the Fourth Proportional to 181,632.27, 250,648.59 and 105,154.59

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Solution

The fourth proportional to 181,632.27, 250,648.59 and 105,154.59 is: 145,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,632.27 : 250,648.59 = 105,154.59 : x
  2. Step 2: Convert to fraction form
    181,632.27/250,648.59 = 105,154.59/x
  3. Step 3: Cross multiply
    181,632.27x = 250,648.59 × 105,154.59
  4. Step 4: Simplify right side
    181,632.27x = 26,356,849,715.53
  5. Step 5: Solve for x
    x = 26,356,849,715.53/181,632.27
  6. Step 6: Final answer
    x = 145,111.05

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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.