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Finding the Fourth Proportional to 157,220.70, 235,831.05 and 44,900.70

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Solution

The fourth proportional to 157,220.70, 235,831.05 and 44,900.70 is: 67,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220.70 : 235,831.05 = 44,900.70 : x
  2. Step 2: Convert to fraction form
    157,220.70/235,831.05 = 44,900.70/x
  3. Step 3: Cross multiply
    157,220.70x = 235,831.05 × 44,900.70
  4. Step 4: Simplify right side
    157,220.70x = 10,588,979,226.74
  5. Step 5: Solve for x
    x = 10,588,979,226.74/157,220.70
  6. Step 6: Final answer
    x = 67,351.05

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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.