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Finding the Fourth Proportional to 312,015.08, 468,061.54 and 101,596.52

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Solution

The fourth proportional to 312,015.08, 468,061.54 and 101,596.52 is: 152,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,015.08 : 468,061.54 = 101,596.52 : x
  2. Step 2: Convert to fraction form
    312,015.08/468,061.54 = 101,596.52/x
  3. Step 3: Cross multiply
    312,015.08x = 468,061.54 × 101,596.52
  4. Step 4: Simplify right side
    312,015.08x = 47,553,423,609.84
  5. Step 5: Solve for x
    x = 47,553,423,609.84/312,015.08
  6. Step 6: Final answer
    x = 152,407.45

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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.