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Finding the Fourth Proportional to 116,988.97, 175,483.47 and 28,242.40

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Solution

The fourth proportional to 116,988.97, 175,483.47 and 28,242.40 is: 42,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,988.97 : 175,483.47 = 28,242.40 : x
  2. Step 2: Convert to fraction form
    116,988.97/175,483.47 = 28,242.40/x
  3. Step 3: Cross multiply
    116,988.97x = 175,483.47 × 28,242.40
  4. Step 4: Simplify right side
    116,988.97x = 4,956,074,353.13
  5. Step 5: Solve for x
    x = 4,956,074,353.13/116,988.97
  6. Step 6: Final answer
    x = 42,363.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.