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Finding the Fourth Proportional to 162,528.57, 243,758.21 and 62,655.57

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Solution

The fourth proportional to 162,528.57, 243,758.21 and 62,655.57 is: 93,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,528.57 : 243,758.21 = 62,655.57 : x
  2. Step 2: Convert to fraction form
    162,528.57/243,758.21 = 62,655.57/x
  3. Step 3: Cross multiply
    162,528.57x = 243,758.21 × 62,655.57
  4. Step 4: Simplify right side
    162,528.57x = 15,272,809,276.45
  5. Step 5: Solve for x
    x = 15,272,809,276.45/162,528.57
  6. Step 6: Final answer
    x = 93,970.00

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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.