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Finding the Fourth Proportional to 162,312.48, 243,488.16 and 62,449.44

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Solution

The fourth proportional to 162,312.48, 243,488.16 and 62,449.44 is: 93,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,312.48 : 243,488.16 = 62,449.44 : x
  2. Step 2: Convert to fraction form
    162,312.48/243,488.16 = 62,449.44/x
  3. Step 3: Cross multiply
    162,312.48x = 243,488.16 × 62,449.44
  4. Step 4: Simplify right side
    162,312.48x = 15,205,699,238.63
  5. Step 5: Solve for x
    x = 15,205,699,238.63/162,312.48
  6. Step 6: Final answer
    x = 93,681.64

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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.