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Finding the Fourth Proportional to 92,591, 127,783.44 and 52,312.16

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Solution

The fourth proportional to 92,591, 127,783.44 and 52,312.16 is: 72,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,591 : 127,783.44 = 52,312.16 : x
  2. Step 2: Convert to fraction form
    92,591/127,783.44 = 52,312.16/x
  3. Step 3: Cross multiply
    92,591x = 127,783.44 × 52,312.16
  4. Step 4: Simplify right side
    92,591x = 6,684,627,758.63
  5. Step 5: Solve for x
    x = 6,684,627,758.63/92,591
  6. Step 6: Final answer
    x = 72,195.22

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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.