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Finding the Fourth Proportional to 240,298.79, 360,448.51 and 98,144.06

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Solution

The fourth proportional to 240,298.79, 360,448.51 and 98,144.06 is: 147,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,298.79 : 360,448.51 = 98,144.06 : x
  2. Step 2: Convert to fraction form
    240,298.79/360,448.51 = 98,144.06/x
  3. Step 3: Cross multiply
    240,298.79x = 360,448.51 × 98,144.06
  4. Step 4: Simplify right side
    240,298.79x = 35,375,878,052.74
  5. Step 5: Solve for x
    x = 35,375,878,052.74/240,298.79
  6. Step 6: Final answer
    x = 147,216.21

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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.