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Finding the Fourth Proportional to 157,466.60, 236,048.70 and 52,231.40

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Solution

The fourth proportional to 157,466.60, 236,048.70 and 52,231.40 is: 78,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466.60 : 236,048.70 = 52,231.40 : x
  2. Step 2: Convert to fraction form
    157,466.60/236,048.70 = 52,231.40/x
  3. Step 3: Cross multiply
    157,466.60x = 236,048.70 × 52,231.40
  4. Step 4: Simplify right side
    157,466.60x = 12,329,154,069.18
  5. Step 5: Solve for x
    x = 12,329,154,069.18/157,466.60
  6. Step 6: Final answer
    x = 78,296.95

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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.