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Finding the Fourth Proportional to 169,381.95, 254,030.39 and 69,569.70

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Solution

The fourth proportional to 169,381.95, 254,030.39 and 69,569.70 is: 104,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,381.95 : 254,030.39 = 69,569.70 : x
  2. Step 2: Convert to fraction form
    169,381.95/254,030.39 = 69,569.70/x
  3. Step 3: Cross multiply
    169,381.95x = 254,030.39 × 69,569.70
  4. Step 4: Simplify right side
    169,381.95x = 17,672,818,803.86
  5. Step 5: Solve for x
    x = 17,672,818,803.86/169,381.95
  6. Step 6: Final answer
    x = 104,337.08

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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.