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Finding the Fourth Proportional to 174,609.04, 240,962.16 and 99,158.08

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Solution

The fourth proportional to 174,609.04, 240,962.16 and 99,158.08 is: 136,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,609.04 : 240,962.16 = 99,158.08 : x
  2. Step 2: Convert to fraction form
    174,609.04/240,962.16 = 99,158.08/x
  3. Step 3: Cross multiply
    174,609.04x = 240,962.16 × 99,158.08
  4. Step 4: Simplify right side
    174,609.04x = 23,893,345,138.25
  5. Step 5: Solve for x
    x = 23,893,345,138.25/174,609.04
  6. Step 6: Final answer
    x = 136,839.11

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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.