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Finding the Fourth Proportional to 162,646.68, 243,580.98 and 103,296.60

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Solution

The fourth proportional to 162,646.68, 243,580.98 and 103,296.60 is: 154,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,646.68 : 243,580.98 = 103,296.60 : x
  2. Step 2: Convert to fraction form
    162,646.68/243,580.98 = 103,296.60/x
  3. Step 3: Cross multiply
    162,646.68x = 243,580.98 × 103,296.60
  4. Step 4: Simplify right side
    162,646.68x = 25,161,087,058.67
  5. Step 5: Solve for x
    x = 25,161,087,058.67/162,646.68
  6. Step 6: Final answer
    x = 154,697.82

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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.