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Finding the Fourth Proportional to 141,626.88, 212,436.48 and 43,130.88

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Solution

The fourth proportional to 141,626.88, 212,436.48 and 43,130.88 is: 64,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,626.88 : 212,436.48 = 43,130.88 : x
  2. Step 2: Convert to fraction form
    141,626.88/212,436.48 = 43,130.88/x
  3. Step 3: Cross multiply
    141,626.88x = 212,436.48 × 43,130.88
  4. Step 4: Simplify right side
    141,626.88x = 9,162,572,326.50
  5. Step 5: Solve for x
    x = 9,162,572,326.50/141,626.88
  6. Step 6: Final answer
    x = 64,695.15

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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.