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Finding the Fourth Proportional to 92,312.64, 127,370.88 and 56,499.84

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Solution

The fourth proportional to 92,312.64, 127,370.88 and 56,499.84 is: 77,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,312.64 : 127,370.88 = 56,499.84 : x
  2. Step 2: Convert to fraction form
    92,312.64/127,370.88 = 56,499.84/x
  3. Step 3: Cross multiply
    92,312.64x = 127,370.88 × 56,499.84
  4. Step 4: Simplify right side
    92,312.64x = 7,196,434,340.66
  5. Step 5: Solve for x
    x = 7,196,434,340.66/92,312.64
  6. Step 6: Final answer
    x = 77,957.19

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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.