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Finding the Fourth Proportional to 157,021.16, 235,531.90 and 63,527.72

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Solution

The fourth proportional to 157,021.16, 235,531.90 and 63,527.72 is: 95,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,021.16 : 235,531.90 = 63,527.72 : x
  2. Step 2: Convert to fraction form
    157,021.16/235,531.90 = 63,527.72/x
  3. Step 3: Cross multiply
    157,021.16x = 235,531.90 × 63,527.72
  4. Step 4: Simplify right side
    157,021.16x = 14,962,804,594.27
  5. Step 5: Solve for x
    x = 14,962,804,594.27/157,021.16
  6. Step 6: Final answer
    x = 95,291.64

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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.