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Finding the Fourth Proportional to 265,925.63, 398,962.26 and 147,680.01

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Solution

The fourth proportional to 265,925.63, 398,962.26 and 147,680.01 is: 221,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,925.63 : 398,962.26 = 147,680.01 : x
  2. Step 2: Convert to fraction form
    265,925.63/398,962.26 = 147,680.01/x
  3. Step 3: Cross multiply
    265,925.63x = 398,962.26 × 147,680.01
  4. Step 4: Simplify right side
    265,925.63x = 58,918,750,546.42
  5. Step 5: Solve for x
    x = 58,918,750,546.42/265,925.63
  6. Step 6: Final answer
    x = 221,561.01

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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.