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Finding the Fourth Proportional to 169,285.75, 253,854.79 and 64,030.90

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Solution

The fourth proportional to 169,285.75, 253,854.79 and 64,030.90 is: 96,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,285.75 : 253,854.79 = 64,030.90 : x
  2. Step 2: Convert to fraction form
    169,285.75/253,854.79 = 64,030.90/x
  3. Step 3: Cross multiply
    169,285.75x = 253,854.79 × 64,030.90
  4. Step 4: Simplify right side
    169,285.75x = 16,254,550,673.01
  5. Step 5: Solve for x
    x = 16,254,550,673.01/169,285.75
  6. Step 6: Final answer
    x = 96,018.42

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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.