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Finding the Fourth Proportional to 259,549.65, 358,094.66 and 144,809.71

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Solution

The fourth proportional to 259,549.65, 358,094.66 and 144,809.71 is: 199,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,549.65 : 358,094.66 = 144,809.71 : x
  2. Step 2: Convert to fraction form
    259,549.65/358,094.66 = 144,809.71/x
  3. Step 3: Cross multiply
    259,549.65x = 358,094.66 × 144,809.71
  4. Step 4: Simplify right side
    259,549.65x = 51,855,582,247.86
  5. Step 5: Solve for x
    x = 51,855,582,247.86/259,549.65
  6. Step 6: Final answer
    x = 199,790.61

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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.