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Finding the Fourth Proportional to 152,494.28, 228,780.14 and 45,877.64

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Solution

The fourth proportional to 152,494.28, 228,780.14 and 45,877.64 is: 68,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,494.28 : 228,780.14 = 45,877.64 : x
  2. Step 2: Convert to fraction form
    152,494.28/228,780.14 = 45,877.64/x
  3. Step 3: Cross multiply
    152,494.28x = 228,780.14 × 45,877.64
  4. Step 4: Simplify right side
    152,494.28x = 10,495,892,902.07
  5. Step 5: Solve for x
    x = 10,495,892,902.07/152,494.28
  6. Step 6: Final answer
    x = 68,828.11

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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.