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Finding the Fourth Proportional to 92,264.97, 127,335.06 and 56,478.63

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Solution

The fourth proportional to 92,264.97, 127,335.06 and 56,478.63 is: 77,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,264.97 : 127,335.06 = 56,478.63 : x
  2. Step 2: Convert to fraction form
    92,264.97/127,335.06 = 56,478.63/x
  3. Step 3: Cross multiply
    92,264.97x = 127,335.06 × 56,478.63
  4. Step 4: Simplify right side
    92,264.97x = 7,191,709,739.77
  5. Step 5: Solve for x
    x = 7,191,709,739.77/92,264.97
  6. Step 6: Final answer
    x = 77,946.26

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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.