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Finding the Fourth Proportional to 112,502.52, 154,938.42 and 110,053.08

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Solution

The fourth proportional to 112,502.52, 154,938.42 and 110,053.08 is: 151,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,502.52 : 154,938.42 = 110,053.08 : x
  2. Step 2: Convert to fraction form
    112,502.52/154,938.42 = 110,053.08/x
  3. Step 3: Cross multiply
    112,502.52x = 154,938.42 × 110,053.08
  4. Step 4: Simplify right side
    112,502.52x = 17,051,450,331.33
  5. Step 5: Solve for x
    x = 17,051,450,331.33/112,502.52
  6. Step 6: Final answer
    x = 151,565.05

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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.