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Finding the Fourth Proportional to 169,989.32, 234,602.47 and 97,401.84

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Solution

The fourth proportional to 169,989.32, 234,602.47 and 97,401.84 is: 134,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,989.32 : 234,602.47 = 97,401.84 : x
  2. Step 2: Convert to fraction form
    169,989.32/234,602.47 = 97,401.84/x
  3. Step 3: Cross multiply
    169,989.32x = 234,602.47 × 97,401.84
  4. Step 4: Simplify right side
    169,989.32x = 22,850,712,246.54
  5. Step 5: Solve for x
    x = 22,850,712,246.54/169,989.32
  6. Step 6: Final answer
    x = 134,424.40

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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.