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Finding the Fourth Proportional to 114,925.80, 172,404.90 and 36,031.80

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Solution

The fourth proportional to 114,925.80, 172,404.90 and 36,031.80 is: 54,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925.80 : 172,404.90 = 36,031.80 : x
  2. Step 2: Convert to fraction form
    114,925.80/172,404.90 = 36,031.80/x
  3. Step 3: Cross multiply
    114,925.80x = 172,404.90 × 36,031.80
  4. Step 4: Simplify right side
    114,925.80x = 6,212,058,875.82
  5. Step 5: Solve for x
    x = 6,212,058,875.82/114,925.80
  6. Step 6: Final answer
    x = 54,052.78

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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.