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Finding the Fourth Proportional to 152,506.60, 228,764.70 and 52,671.40

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Solution

The fourth proportional to 152,506.60, 228,764.70 and 52,671.40 is: 79,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,506.60 : 228,764.70 = 52,671.40 : x
  2. Step 2: Convert to fraction form
    152,506.60/228,764.70 = 52,671.40/x
  3. Step 3: Cross multiply
    152,506.60x = 228,764.70 × 52,671.40
  4. Step 4: Simplify right side
    152,506.60x = 12,049,357,019.58
  5. Step 5: Solve for x
    x = 12,049,357,019.58/152,506.60
  6. Step 6: Final answer
    x = 79,008.76

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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.