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Finding the Fourth Proportional to 235,341.15, 324,774.08 and 127,911.15

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Solution

The fourth proportional to 235,341.15, 324,774.08 and 127,911.15 is: 176,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,341.15 : 324,774.08 = 127,911.15 : x
  2. Step 2: Convert to fraction form
    235,341.15/324,774.08 = 127,911.15/x
  3. Step 3: Cross multiply
    235,341.15x = 324,774.08 × 127,911.15
  4. Step 4: Simplify right side
    235,341.15x = 41,542,225,423.44
  5. Step 5: Solve for x
    x = 41,542,225,423.44/235,341.15
  6. Step 6: Final answer
    x = 176,519.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.