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Finding the Fourth Proportional to 183,398.78, 253,084.50 and 102,830.92

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Solution

The fourth proportional to 183,398.78, 253,084.50 and 102,830.92 is: 141,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,398.78 : 253,084.50 = 102,830.92 : x
  2. Step 2: Convert to fraction form
    183,398.78/253,084.50 = 102,830.92/x
  3. Step 3: Cross multiply
    183,398.78x = 253,084.50 × 102,830.92
  4. Step 4: Simplify right side
    183,398.78x = 26,024,911,340.03
  5. Step 5: Solve for x
    x = 26,024,911,340.03/183,398.78
  6. Step 6: Final answer
    x = 141,903.40

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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.