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Finding the Fourth Proportional to 173,889.20, 260,833.80 and 144,364.70

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Solution

The fourth proportional to 173,889.20, 260,833.80 and 144,364.70 is: 216,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.20 : 260,833.80 = 144,364.70 : x
  2. Step 2: Convert to fraction form
    173,889.20/260,833.80 = 144,364.70/x
  3. Step 3: Cross multiply
    173,889.20x = 260,833.80 × 144,364.70
  4. Step 4: Simplify right side
    173,889.20x = 37,655,193,286.86
  5. Step 5: Solve for x
    x = 37,655,193,286.86/173,889.20
  6. Step 6: Final answer
    x = 216,547.05

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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.