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Finding the Fourth Proportional to 141,860.34, 195,764.59 and 77,330.17

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Solution

The fourth proportional to 141,860.34, 195,764.59 and 77,330.17 is: 106,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.34 : 195,764.59 = 77,330.17 : x
  2. Step 2: Convert to fraction form
    141,860.34/195,764.59 = 77,330.17/x
  3. Step 3: Cross multiply
    141,860.34x = 195,764.59 × 77,330.17
  4. Step 4: Simplify right side
    141,860.34x = 15,138,509,314.67
  5. Step 5: Solve for x
    x = 15,138,509,314.67/141,860.34
  6. Step 6: Final answer
    x = 106,714.18

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1.5x scale

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.