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Finding the Fourth Proportional to 157,605.64, 236,506.90 and 105,052.04

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Solution

The fourth proportional to 157,605.64, 236,506.90 and 105,052.04 is: 157,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,605.64 : 236,506.90 = 105,052.04 : x
  2. Step 2: Convert to fraction form
    157,605.64/236,506.90 = 105,052.04/x
  3. Step 3: Cross multiply
    157,605.64x = 236,506.90 × 105,052.04
  4. Step 4: Simplify right side
    157,605.64x = 24,845,532,319.08
  5. Step 5: Solve for x
    x = 24,845,532,319.08/157,605.64
  6. Step 6: Final answer
    x = 157,643.68

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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.