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Finding the Fourth Proportional to 238,083.98, 328,539.69 and 130,660.92

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Solution

The fourth proportional to 238,083.98, 328,539.69 and 130,660.92 is: 180,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.98 : 328,539.69 = 130,660.92 : x
  2. Step 2: Convert to fraction form
    238,083.98/328,539.69 = 130,660.92/x
  3. Step 3: Cross multiply
    238,083.98x = 328,539.69 × 130,660.92
  4. Step 4: Simplify right side
    238,083.98x = 42,927,298,151.91
  5. Step 5: Solve for x
    x = 42,927,298,151.91/238,083.98
  6. Step 6: Final answer
    x = 180,303.18

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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.