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Finding the Fourth Proportional to 262,009.62, 392,685.57 and 112,073.67

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Solution

The fourth proportional to 262,009.62, 392,685.57 and 112,073.67 is: 167,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,009.62 : 392,685.57 = 112,073.67 : x
  2. Step 2: Convert to fraction form
    262,009.62/392,685.57 = 112,073.67/x
  3. Step 3: Cross multiply
    262,009.62x = 392,685.57 × 112,073.67
  4. Step 4: Simplify right side
    262,009.62x = 44,009,712,985.94
  5. Step 5: Solve for x
    x = 44,009,712,985.94/262,009.62
  6. Step 6: Final answer
    x = 167,969.84

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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.