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Finding the Fourth Proportional to 227,965.70, 341,916.15 and 70,210.10

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Solution

The fourth proportional to 227,965.70, 341,916.15 and 70,210.10 is: 105,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,965.70 : 341,916.15 = 70,210.10 : x
  2. Step 2: Convert to fraction form
    227,965.70/341,916.15 = 70,210.10/x
  3. Step 3: Cross multiply
    227,965.70x = 341,916.15 × 70,210.10
  4. Step 4: Simplify right side
    227,965.70x = 24,005,967,083.12
  5. Step 5: Solve for x
    x = 24,005,967,083.12/227,965.70
  6. Step 6: Final answer
    x = 105,305.17

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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.