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Finding the Fourth Proportional to 152,053.40, 228,128.70 and 52,277.60

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Solution

The fourth proportional to 152,053.40, 228,128.70 and 52,277.60 is: 78,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053.40 : 228,128.70 = 52,277.60 : x
  2. Step 2: Convert to fraction form
    152,053.40/228,128.70 = 52,277.60/x
  3. Step 3: Cross multiply
    152,053.40x = 228,128.70 × 52,277.60
  4. Step 4: Simplify right side
    152,053.40x = 11,926,020,927.12
  5. Step 5: Solve for x
    x = 11,926,020,927.12/152,053.40
  6. Step 6: Final answer
    x = 78,433.11

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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.