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Finding the Fourth Proportional to 245,138.46, 367,700.40 and 67,656.12

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Solution

The fourth proportional to 245,138.46, 367,700.40 and 67,656.12 is: 101,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,138.46 : 367,700.40 = 67,656.12 : x
  2. Step 2: Convert to fraction form
    245,138.46/367,700.40 = 67,656.12/x
  3. Step 3: Cross multiply
    245,138.46x = 367,700.40 × 67,656.12
  4. Step 4: Simplify right side
    245,138.46x = 24,877,182,386.45
  5. Step 5: Solve for x
    x = 24,877,182,386.45/245,138.46
  6. Step 6: Final answer
    x = 101,482.17

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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.