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Finding the Fourth Proportional to 173,685.60, 260,528.40 and 55,368.90

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Solution

The fourth proportional to 173,685.60, 260,528.40 and 55,368.90 is: 83,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,685.60 : 260,528.40 = 55,368.90 : x
  2. Step 2: Convert to fraction form
    173,685.60/260,528.40 = 55,368.90/x
  3. Step 3: Cross multiply
    173,685.60x = 260,528.40 × 55,368.90
  4. Step 4: Simplify right side
    173,685.60x = 14,425,170,926.76
  5. Step 5: Solve for x
    x = 14,425,170,926.76/173,685.60
  6. Step 6: Final answer
    x = 83,053.35

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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.