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Finding the Fourth Proportional to 257,264.63, 355,051.48 and 148,373.22

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Solution

The fourth proportional to 257,264.63, 355,051.48 and 148,373.22 is: 204,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,264.63 : 355,051.48 = 148,373.22 : x
  2. Step 2: Convert to fraction form
    257,264.63/355,051.48 = 148,373.22/x
  3. Step 3: Cross multiply
    257,264.63x = 355,051.48 × 148,373.22
  4. Step 4: Simplify right side
    257,264.63x = 52,680,130,177.61
  5. Step 5: Solve for x
    x = 52,680,130,177.61/257,264.63
  6. Step 6: Final answer
    x = 204,770.20

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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.