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Finding the Fourth Proportional to 173,790.87, 260,698.14 and 55,471.12

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Solution

The fourth proportional to 173,790.87, 260,698.14 and 55,471.12 is: 83,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790.87 : 260,698.14 = 55,471.12 : x
  2. Step 2: Convert to fraction form
    173,790.87/260,698.14 = 55,471.12/x
  3. Step 3: Cross multiply
    173,790.87x = 260,698.14 × 55,471.12
  4. Step 4: Simplify right side
    173,790.87x = 14,461,217,807.72
  5. Step 5: Solve for x
    x = 14,461,217,807.72/173,790.87
  6. Step 6: Final answer
    x = 83,210.46

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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.