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Finding the Fourth Proportional to 173,856.95, 260,785.43 and 144,332.45

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Solution

The fourth proportional to 173,856.95, 260,785.43 and 144,332.45 is: 216,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,856.95 : 260,785.43 = 144,332.45 : x
  2. Step 2: Convert to fraction form
    173,856.95/260,785.43 = 144,332.45/x
  3. Step 3: Cross multiply
    173,856.95x = 260,785.43 × 144,332.45
  4. Step 4: Simplify right side
    173,856.95x = 37,639,799,314.54
  5. Step 5: Solve for x
    x = 37,639,799,314.54/173,856.95
  6. Step 6: Final answer
    x = 216,498.68

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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.