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Finding the Fourth Proportional to 153,885.84, 212,366.01 and 96,527.58

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Solution

The fourth proportional to 153,885.84, 212,366.01 and 96,527.58 is: 133,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,885.84 : 212,366.01 = 96,527.58 : x
  2. Step 2: Convert to fraction form
    153,885.84/212,366.01 = 96,527.58/x
  3. Step 3: Cross multiply
    153,885.84x = 212,366.01 × 96,527.58
  4. Step 4: Simplify right side
    153,885.84x = 20,499,177,019.56
  5. Step 5: Solve for x
    x = 20,499,177,019.56/153,885.84
  6. Step 6: Final answer
    x = 133,210.29

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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.