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Finding the Fourth Proportional to 194,332.80, 291,758.40 and 124,348.80

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Solution

The fourth proportional to 194,332.80, 291,758.40 and 124,348.80 is: 186,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,332.80 : 291,758.40 = 124,348.80 : x
  2. Step 2: Convert to fraction form
    194,332.80/291,758.40 = 124,348.80/x
  3. Step 3: Cross multiply
    194,332.80x = 291,758.40 × 124,348.80
  4. Step 4: Simplify right side
    194,332.80x = 36,279,806,929.92
  5. Step 5: Solve for x
    x = 36,279,806,929.92/194,332.80
  6. Step 6: Final answer
    x = 186,689.06

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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.