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Finding the Fourth Proportional to 157,275, 235,682.46 and 97,930.08

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Solution

The fourth proportional to 157,275, 235,682.46 and 97,930.08 is: 146,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,275 : 235,682.46 = 97,930.08 : x
  2. Step 2: Convert to fraction form
    157,275/235,682.46 = 97,930.08/x
  3. Step 3: Cross multiply
    157,275x = 235,682.46 × 97,930.08
  4. Step 4: Simplify right side
    157,275x = 23,080,402,162.40
  5. Step 5: Solve for x
    x = 23,080,402,162.40/157,275
  6. Step 6: Final answer
    x = 146,751.88

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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.