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Finding the Fourth Proportional to 152,506.76, 228,790.70 and 52,670.60

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Solution

The fourth proportional to 152,506.76, 228,790.70 and 52,670.60 is: 79,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,506.76 : 228,790.70 = 52,670.60 : x
  2. Step 2: Convert to fraction form
    152,506.76/228,790.70 = 52,670.60/x
  3. Step 3: Cross multiply
    152,506.76x = 228,790.70 × 52,670.60
  4. Step 4: Simplify right side
    152,506.76x = 12,050,543,443.42
  5. Step 5: Solve for x
    x = 12,050,543,443.42/152,506.76
  6. Step 6: Final answer
    x = 79,016.45

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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.