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Finding the Fourth Proportional to 169,953.96, 254,701.28 and 64,715.52

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Solution

The fourth proportional to 169,953.96, 254,701.28 and 64,715.52 is: 96,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,953.96 : 254,701.28 = 64,715.52 : x
  2. Step 2: Convert to fraction form
    169,953.96/254,701.28 = 64,715.52/x
  3. Step 3: Cross multiply
    169,953.96x = 254,701.28 × 64,715.52
  4. Step 4: Simplify right side
    169,953.96x = 16,483,125,779.87
  5. Step 5: Solve for x
    x = 16,483,125,779.87/169,953.96
  6. Step 6: Final answer
    x = 96,985.83

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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.