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Finding the Fourth Proportional to 141,197.80, 194,854.32 and 77,536.93

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Solution

The fourth proportional to 141,197.80, 194,854.32 and 77,536.93 is: 107,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,197.80 : 194,854.32 = 77,536.93 : x
  2. Step 2: Convert to fraction form
    141,197.80/194,854.32 = 77,536.93/x
  3. Step 3: Cross multiply
    141,197.80x = 194,854.32 × 77,536.93
  4. Step 4: Simplify right side
    141,197.80x = 15,108,405,430.18
  5. Step 5: Solve for x
    x = 15,108,405,430.18/141,197.80
  6. Step 6: Final answer
    x = 107,001.71

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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.