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Finding the Fourth Proportional to 210,325.92, 290,256.48 and 114,837.60

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Solution

The fourth proportional to 210,325.92, 290,256.48 and 114,837.60 is: 158,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,325.92 : 290,256.48 = 114,837.60 : x
  2. Step 2: Convert to fraction form
    210,325.92/290,256.48 = 114,837.60/x
  3. Step 3: Cross multiply
    210,325.92x = 290,256.48 × 114,837.60
  4. Step 4: Simplify right side
    210,325.92x = 33,332,357,547.65
  5. Step 5: Solve for x
    x = 33,332,357,547.65/210,325.92
  6. Step 6: Final answer
    x = 158,479.55

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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.