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Finding the Fourth Proportional to 235,674.44, 353,302.06 and 85,886.52

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Solution

The fourth proportional to 235,674.44, 353,302.06 and 85,886.52 is: 128,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,674.44 : 353,302.06 = 85,886.52 : x
  2. Step 2: Convert to fraction form
    235,674.44/353,302.06 = 85,886.52/x
  3. Step 3: Cross multiply
    235,674.44x = 353,302.06 × 85,886.52
  4. Step 4: Simplify right side
    235,674.44x = 30,343,884,442.23
  5. Step 5: Solve for x
    x = 30,343,884,442.23/235,674.44
  6. Step 6: Final answer
    x = 128,753.40

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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.