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Finding the Fourth Proportional to 92,615.40, 127,830.18 and 52,352.46

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Solution

The fourth proportional to 92,615.40, 127,830.18 and 52,352.46 is: 72,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.40 : 127,830.18 = 52,352.46 : x
  2. Step 2: Convert to fraction form
    92,615.40/127,830.18 = 52,352.46/x
  3. Step 3: Cross multiply
    92,615.40x = 127,830.18 × 52,352.46
  4. Step 4: Simplify right side
    92,615.40x = 6,692,224,385.24
  5. Step 5: Solve for x
    x = 6,692,224,385.24/92,615.40
  6. Step 6: Final answer
    x = 72,258.22

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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.