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Finding the Fourth Proportional to 235,031.76, 324,342.76 and 127,600.88

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Solution

The fourth proportional to 235,031.76, 324,342.76 and 127,600.88 is: 176,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,031.76 : 324,342.76 = 127,600.88 : x
  2. Step 2: Convert to fraction form
    235,031.76/324,342.76 = 127,600.88/x
  3. Step 3: Cross multiply
    235,031.76x = 324,342.76 × 127,600.88
  4. Step 4: Simplify right side
    235,031.76x = 41,386,421,597.63
  5. Step 5: Solve for x
    x = 41,386,421,597.63/235,031.76
  6. Step 6: Final answer
    x = 176,088.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.