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Finding the Fourth Proportional to 153,558.95, 230,371.23 and 53,722.40

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Solution

The fourth proportional to 153,558.95, 230,371.23 and 53,722.40 is: 80,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,558.95 : 230,371.23 = 53,722.40 : x
  2. Step 2: Convert to fraction form
    153,558.95/230,371.23 = 53,722.40/x
  3. Step 3: Cross multiply
    153,558.95x = 230,371.23 × 53,722.40
  4. Step 4: Simplify right side
    153,558.95x = 12,376,095,998.18
  5. Step 5: Solve for x
    x = 12,376,095,998.18/153,558.95
  6. Step 6: Final answer
    x = 80,595.08

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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.