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Finding the Fourth Proportional to 248,452, 342,862.32 and 141,042.40

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Solution

The fourth proportional to 248,452, 342,862.32 and 141,042.40 is: 194,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,452 : 342,862.32 = 141,042.40 : x
  2. Step 2: Convert to fraction form
    248,452/342,862.32 = 141,042.40/x
  3. Step 3: Cross multiply
    248,452x = 342,862.32 × 141,042.40
  4. Step 4: Simplify right side
    248,452x = 48,358,124,482.37
  5. Step 5: Solve for x
    x = 48,358,124,482.37/248,452
  6. Step 6: Final answer
    x = 194,637.69

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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.