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Finding the Fourth Proportional to 173,875.80, 260,813.70 and 55,559.10

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Solution

The fourth proportional to 173,875.80, 260,813.70 and 55,559.10 is: 83,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,875.80 : 260,813.70 = 55,559.10 : x
  2. Step 2: Convert to fraction form
    173,875.80/260,813.70 = 55,559.10/x
  3. Step 3: Cross multiply
    173,875.80x = 260,813.70 × 55,559.10
  4. Step 4: Simplify right side
    173,875.80x = 14,490,574,439.67
  5. Step 5: Solve for x
    x = 14,490,574,439.67/173,875.80
  6. Step 6: Final answer
    x = 83,338.65

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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.