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Finding the Fourth Proportional to 171,656.28, 257,435.28 and 59,307.12

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Solution

The fourth proportional to 171,656.28, 257,435.28 and 59,307.12 is: 88,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,656.28 : 257,435.28 = 59,307.12 : x
  2. Step 2: Convert to fraction form
    171,656.28/257,435.28 = 59,307.12/x
  3. Step 3: Cross multiply
    171,656.28x = 257,435.28 × 59,307.12
  4. Step 4: Simplify right side
    171,656.28x = 15,267,745,043.19
  5. Step 5: Solve for x
    x = 15,267,745,043.19/171,656.28
  6. Step 6: Final answer
    x = 88,943.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.