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Finding the Fourth Proportional to 238,409.50, 328,859.19 and 141,547.65

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Solution

The fourth proportional to 238,409.50, 328,859.19 and 141,547.65 is: 195,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,409.50 : 328,859.19 = 141,547.65 : x
  2. Step 2: Convert to fraction form
    238,409.50/328,859.19 = 141,547.65/x
  3. Step 3: Cross multiply
    238,409.50x = 328,859.19 × 141,547.65
  4. Step 4: Simplify right side
    238,409.50x = 46,549,246,142.01
  5. Step 5: Solve for x
    x = 46,549,246,142.01/238,409.50
  6. Step 6: Final answer
    x = 195,249.12

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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.