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Finding the Fourth Proportional to 169,820.82, 234,364.59 and 94,374.18

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Solution

The fourth proportional to 169,820.82, 234,364.59 and 94,374.18 is: 130,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,820.82 : 234,364.59 = 94,374.18 : x
  2. Step 2: Convert to fraction form
    169,820.82/234,364.59 = 94,374.18/x
  3. Step 3: Cross multiply
    169,820.82x = 234,364.59 × 94,374.18
  4. Step 4: Simplify right side
    169,820.82x = 22,117,966,002.29
  5. Step 5: Solve for x
    x = 22,117,966,002.29/169,820.82
  6. Step 6: Final answer
    x = 130,242.96

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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.