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Finding the Fourth Proportional to 141,594.34, 195,398.70 and 77,930.77

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Solution

The fourth proportional to 141,594.34, 195,398.70 and 77,930.77 is: 107,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,594.34 : 195,398.70 = 77,930.77 : x
  2. Step 2: Convert to fraction form
    141,594.34/195,398.70 = 77,930.77/x
  3. Step 3: Cross multiply
    141,594.34x = 195,398.70 × 77,930.77
  4. Step 4: Simplify right side
    141,594.34x = 15,227,571,148.00
  5. Step 5: Solve for x
    x = 15,227,571,148.00/141,594.34
  6. Step 6: Final answer
    x = 107,543.64

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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.