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Finding the Fourth Proportional to 174,581, 240,923.40 and 99,131.12

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Solution

The fourth proportional to 174,581, 240,923.40 and 99,131.12 is: 136,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,581 : 240,923.40 = 99,131.12 : x
  2. Step 2: Convert to fraction form
    174,581/240,923.40 = 99,131.12/x
  3. Step 3: Cross multiply
    174,581x = 240,923.40 × 99,131.12
  4. Step 4: Simplify right side
    174,581x = 23,883,006,476.21
  5. Step 5: Solve for x
    x = 23,883,006,476.21/174,581
  6. Step 6: Final answer
    x = 136,801.87

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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.