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Finding the Fourth Proportional to 124,000.50, 186,000.84 and 40,894.50

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Solution

The fourth proportional to 124,000.50, 186,000.84 and 40,894.50 is: 61,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.50 : 186,000.84 = 40,894.50 : x
  2. Step 2: Convert to fraction form
    124,000.50/186,000.84 = 40,894.50/x
  3. Step 3: Cross multiply
    124,000.50x = 186,000.84 × 40,894.50
  4. Step 4: Simplify right side
    124,000.50x = 7,606,411,351.38
  5. Step 5: Solve for x
    x = 7,606,411,351.38/124,000.50
  6. Step 6: Final answer
    x = 61,341.78

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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.