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Finding the Fourth Proportional to 141,574.41, 212,492.88 and 71,502.93

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Solution

The fourth proportional to 141,574.41, 212,492.88 and 71,502.93 is: 107,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,574.41 : 212,492.88 = 71,502.93 : x
  2. Step 2: Convert to fraction form
    141,574.41/212,492.88 = 71,502.93/x
  3. Step 3: Cross multiply
    141,574.41x = 212,492.88 × 71,502.93
  4. Step 4: Simplify right side
    141,574.41x = 15,193,863,524.14
  5. Step 5: Solve for x
    x = 15,193,863,524.14/141,574.41
  6. Step 6: Final answer
    x = 107,320.69

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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.