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Finding the Fourth Proportional to 169,347.31, 253,973.58 and 51,001.45

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Solution

The fourth proportional to 169,347.31, 253,973.58 and 51,001.45 is: 76,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,347.31 : 253,973.58 = 51,001.45 : x
  2. Step 2: Convert to fraction form
    169,347.31/253,973.58 = 51,001.45/x
  3. Step 3: Cross multiply
    169,347.31x = 253,973.58 × 51,001.45
  4. Step 4: Simplify right side
    169,347.31x = 12,953,020,015.50
  5. Step 5: Solve for x
    x = 12,953,020,015.50/169,347.31
  6. Step 6: Final answer
    x = 76,487.90

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1.5x scale

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.