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Finding the Fourth Proportional to 162,437.40, 243,656.10 and 162,437.40

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Solution

The fourth proportional to 162,437.40, 243,656.10 and 162,437.40 is: 243,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,437.40 : 243,656.10 = 162,437.40 : x
  2. Step 2: Convert to fraction form
    162,437.40/243,656.10 = 162,437.40/x
  3. Step 3: Cross multiply
    162,437.40x = 243,656.10 × 162,437.40
  4. Step 4: Simplify right side
    162,437.40x = 39,578,863,378.14
  5. Step 5: Solve for x
    x = 39,578,863,378.14/162,437.40
  6. Step 6: Final answer
    x = 243,656.10

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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.