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Finding the Fourth Proportional to 169,434.40, 254,402.70 and 94,703.80

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Solution

The fourth proportional to 169,434.40, 254,402.70 and 94,703.80 is: 142,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,434.40 : 254,402.70 = 94,703.80 : x
  2. Step 2: Convert to fraction form
    169,434.40/254,402.70 = 94,703.80/x
  3. Step 3: Cross multiply
    169,434.40x = 254,402.70 × 94,703.80
  4. Step 4: Simplify right side
    169,434.40x = 24,092,902,420.26
  5. Step 5: Solve for x
    x = 24,092,902,420.26/169,434.40
  6. Step 6: Final answer
    x = 142,196.05

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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.