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Finding the Fourth Proportional to 157,436.60, 236,154.90 and 46,628.60

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Solution

The fourth proportional to 157,436.60, 236,154.90 and 46,628.60 is: 69,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.60 : 236,154.90 = 46,628.60 : x
  2. Step 2: Convert to fraction form
    157,436.60/236,154.90 = 46,628.60/x
  3. Step 3: Cross multiply
    157,436.60x = 236,154.90 × 46,628.60
  4. Step 4: Simplify right side
    157,436.60x = 11,011,572,370.14
  5. Step 5: Solve for x
    x = 11,011,572,370.14/157,436.60
  6. Step 6: Final answer
    x = 69,942.90

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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.