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Finding the Fourth Proportional to 169,494.50, 233,909.70 and 94,043

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Solution

The fourth proportional to 169,494.50, 233,909.70 and 94,043 is: 129,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,494.50 : 233,909.70 = 94,043 : x
  2. Step 2: Convert to fraction form
    169,494.50/233,909.70 = 94,043/x
  3. Step 3: Cross multiply
    169,494.50x = 233,909.70 × 94,043
  4. Step 4: Simplify right side
    169,494.50x = 21,997,569,917.10
  5. Step 5: Solve for x
    x = 21,997,569,917.10/169,494.50
  6. Step 6: Final answer
    x = 129,783.38

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1.5x scale

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.