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Finding the Fourth Proportional to 72,053.68, 108,095 and 25,300.40

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Solution

The fourth proportional to 72,053.68, 108,095 and 25,300.40 is: 37,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053.68 : 108,095 = 25,300.40 : x
  2. Step 2: Convert to fraction form
    72,053.68/108,095 = 25,300.40/x
  3. Step 3: Cross multiply
    72,053.68x = 108,095 × 25,300.40
  4. Step 4: Simplify right side
    72,053.68x = 2,734,846,738
  5. Step 5: Solve for x
    x = 2,734,846,738/72,053.68
  6. Step 6: Final answer
    x = 37,955.68

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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.