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Finding the Fourth Proportional to 157,382.40, 236,073.60 and 146,937.60

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Solution

The fourth proportional to 157,382.40, 236,073.60 and 146,937.60 is: 220,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382.40 : 236,073.60 = 146,937.60 : x
  2. Step 2: Convert to fraction form
    157,382.40/236,073.60 = 146,937.60/x
  3. Step 3: Cross multiply
    157,382.40x = 236,073.60 × 146,937.60
  4. Step 4: Simplify right side
    157,382.40x = 34,688,088,207.36
  5. Step 5: Solve for x
    x = 34,688,088,207.36/157,382.40
  6. Step 6: Final answer
    x = 220,406.40

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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.