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Finding the Fourth Proportional to 114,332.56, 171,518.12 and 39,432.67

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Solution

The fourth proportional to 114,332.56, 171,518.12 and 39,432.67 is: 59,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,332.56 : 171,518.12 = 39,432.67 : x
  2. Step 2: Convert to fraction form
    114,332.56/171,518.12 = 39,432.67/x
  3. Step 3: Cross multiply
    114,332.56x = 171,518.12 × 39,432.67
  4. Step 4: Simplify right side
    114,332.56x = 6,763,417,094.77
  5. Step 5: Solve for x
    x = 6,763,417,094.77/114,332.56
  6. Step 6: Final answer
    x = 59,155.65

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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.