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Finding the Fourth Proportional to 93,525.70, 129,065.62 and 53,239.48

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Solution

The fourth proportional to 93,525.70, 129,065.62 and 53,239.48 is: 73,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,525.70 : 129,065.62 = 53,239.48 : x
  2. Step 2: Convert to fraction form
    93,525.70/129,065.62 = 53,239.48/x
  3. Step 3: Cross multiply
    93,525.70x = 129,065.62 × 53,239.48
  4. Step 4: Simplify right side
    93,525.70x = 6,871,386,494.68
  5. Step 5: Solve for x
    x = 6,871,386,494.68/93,525.70
  6. Step 6: Final answer
    x = 73,470.57

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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.