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Finding the Fourth Proportional to 152,164.10, 228,246.15 and 114,985.10

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Solution

The fourth proportional to 152,164.10, 228,246.15 and 114,985.10 is: 172,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,164.10 : 228,246.15 = 114,985.10 : x
  2. Step 2: Convert to fraction form
    152,164.10/228,246.15 = 114,985.10/x
  3. Step 3: Cross multiply
    152,164.10x = 228,246.15 × 114,985.10
  4. Step 4: Simplify right side
    152,164.10x = 26,244,906,382.37
  5. Step 5: Solve for x
    x = 26,244,906,382.37/152,164.10
  6. Step 6: Final answer
    x = 172,477.65

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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.