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Finding the Fourth Proportional to 92,265.34, 127,335.59 and 56,479.00

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Solution

The fourth proportional to 92,265.34, 127,335.59 and 56,479.00 is: 77,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,265.34 : 127,335.59 = 56,479.00 : x
  2. Step 2: Convert to fraction form
    92,265.34/127,335.59 = 56,479.00/x
  3. Step 3: Cross multiply
    92,265.34x = 127,335.59 × 56,479.00
  4. Step 4: Simplify right side
    92,265.34x = 7,191,786,398.67
  5. Step 5: Solve for x
    x = 7,191,786,398.67/92,265.34
  6. Step 6: Final answer
    x = 77,946.78

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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.