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Finding the Fourth Proportional to 92,008.68, 126,971.46 and 56,193.72

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Solution

The fourth proportional to 92,008.68, 126,971.46 and 56,193.72 is: 77,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,008.68 : 126,971.46 = 56,193.72 : x
  2. Step 2: Convert to fraction form
    92,008.68/126,971.46 = 56,193.72/x
  3. Step 3: Cross multiply
    92,008.68x = 126,971.46 × 56,193.72
  4. Step 4: Simplify right side
    92,008.68x = 7,134,998,671.23
  5. Step 5: Solve for x
    x = 7,134,998,671.23/92,008.68
  6. Step 6: Final answer
    x = 77,547.02

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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.