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Finding the Fourth Proportional to 153,927.30, 230,890.95 and 83,943.30

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Solution

The fourth proportional to 153,927.30, 230,890.95 and 83,943.30 is: 125,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.30 : 230,890.95 = 83,943.30 : x
  2. Step 2: Convert to fraction form
    153,927.30/230,890.95 = 83,943.30/x
  3. Step 3: Cross multiply
    153,927.30x = 230,890.95 × 83,943.30
  4. Step 4: Simplify right side
    153,927.30x = 19,381,748,283.14
  5. Step 5: Solve for x
    x = 19,381,748,283.14/153,927.30
  6. Step 6: Final answer
    x = 125,914.95

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1.5x scale

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.