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Finding the Fourth Proportional to 156,885.84, 235,428.84 and 57,036.45

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Solution

The fourth proportional to 156,885.84, 235,428.84 and 57,036.45 is: 85,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,885.84 : 235,428.84 = 57,036.45 : x
  2. Step 2: Convert to fraction form
    156,885.84/235,428.84 = 57,036.45/x
  3. Step 3: Cross multiply
    156,885.84x = 235,428.84 × 57,036.45
  4. Step 4: Simplify right side
    156,885.84x = 13,428,025,261.22
  5. Step 5: Solve for x
    x = 13,428,025,261.22/156,885.84
  6. Step 6: Final answer
    x = 85,591.06

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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.