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Finding the Fourth Proportional to 169,610.60, 254,444.70 and 90,703.40

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Solution

The fourth proportional to 169,610.60, 254,444.70 and 90,703.40 is: 136,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,610.60 : 254,444.70 = 90,703.40 : x
  2. Step 2: Convert to fraction form
    169,610.60/254,444.70 = 90,703.40/x
  3. Step 3: Cross multiply
    169,610.60x = 254,444.70 × 90,703.40
  4. Step 4: Simplify right side
    169,610.60x = 23,078,999,401.98
  5. Step 5: Solve for x
    x = 23,078,999,401.98/169,610.60
  6. Step 6: Final answer
    x = 136,070.50

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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.