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Finding the Fourth Proportional to 169,909.50, 234,475.38 and 94,458

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Solution

The fourth proportional to 169,909.50, 234,475.38 and 94,458 is: 130,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,909.50 : 234,475.38 = 94,458 : x
  2. Step 2: Convert to fraction form
    169,909.50/234,475.38 = 94,458/x
  3. Step 3: Cross multiply
    169,909.50x = 234,475.38 × 94,458
  4. Step 4: Simplify right side
    169,909.50x = 22,148,075,444.04
  5. Step 5: Solve for x
    x = 22,148,075,444.04/169,909.50
  6. Step 6: Final answer
    x = 130,352.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.