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Finding the Fourth Proportional to 173,387.52, 260,288.64 and 103,299.84

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Solution

The fourth proportional to 173,387.52, 260,288.64 and 103,299.84 is: 155,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.52 : 260,288.64 = 103,299.84 : x
  2. Step 2: Convert to fraction form
    173,387.52/260,288.64 = 103,299.84/x
  3. Step 3: Cross multiply
    173,387.52x = 260,288.64 × 103,299.84
  4. Step 4: Simplify right side
    173,387.52x = 26,887,774,865.82
  5. Step 5: Solve for x
    x = 26,887,774,865.82/173,387.52
  6. Step 6: Final answer
    x = 155,073.30

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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.