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Finding the Fourth Proportional to 173,873.10, 260,809.65 and 55,548.30

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Solution

The fourth proportional to 173,873.10, 260,809.65 and 55,548.30 is: 83,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873.10 : 260,809.65 = 55,548.30 : x
  2. Step 2: Convert to fraction form
    173,873.10/260,809.65 = 55,548.30/x
  3. Step 3: Cross multiply
    173,873.10x = 260,809.65 × 55,548.30
  4. Step 4: Simplify right side
    173,873.10x = 14,487,532,681.10
  5. Step 5: Solve for x
    x = 14,487,532,681.10/173,873.10
  6. Step 6: Final answer
    x = 83,322.45

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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.