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Finding the Fourth Proportional to 141,319.10, 211,978.65 and 62,392.70

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Solution

The fourth proportional to 141,319.10, 211,978.65 and 62,392.70 is: 93,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.10 : 211,978.65 = 62,392.70 : x
  2. Step 2: Convert to fraction form
    141,319.10/211,978.65 = 62,392.70/x
  3. Step 3: Cross multiply
    141,319.10x = 211,978.65 × 62,392.70
  4. Step 4: Simplify right side
    141,319.10x = 13,225,920,315.86
  5. Step 5: Solve for x
    x = 13,225,920,315.86/141,319.10
  6. Step 6: Final answer
    x = 93,589.05

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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.