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Finding the Fourth Proportional to 92,895.52, 128,203.80 and 52,616.40

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Solution

The fourth proportional to 92,895.52, 128,203.80 and 52,616.40 is: 72,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895.52 : 128,203.80 = 52,616.40 : x
  2. Step 2: Convert to fraction form
    92,895.52/128,203.80 = 52,616.40/x
  3. Step 3: Cross multiply
    92,895.52x = 128,203.80 × 52,616.40
  4. Step 4: Simplify right side
    92,895.52x = 6,745,622,422.32
  5. Step 5: Solve for x
    x = 6,745,622,422.32/92,895.52
  6. Step 6: Final answer
    x = 72,615.15

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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.