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Finding the Fourth Proportional to 73,332.80, 109,999.20 and 26,587.20

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Solution

The fourth proportional to 73,332.80, 109,999.20 and 26,587.20 is: 39,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,332.80 : 109,999.20 = 26,587.20 : x
  2. Step 2: Convert to fraction form
    73,332.80/109,999.20 = 26,587.20/x
  3. Step 3: Cross multiply
    73,332.80x = 109,999.20 × 26,587.20
  4. Step 4: Simplify right side
    73,332.80x = 2,924,570,730.24
  5. Step 5: Solve for x
    x = 2,924,570,730.24/73,332.80
  6. Step 6: Final answer
    x = 39,880.80

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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.