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Finding the Fourth Proportional to 101,407.48, 152,094.90 and 30,329.08

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Solution

The fourth proportional to 101,407.48, 152,094.90 and 30,329.08 is: 45,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,407.48 : 152,094.90 = 30,329.08 : x
  2. Step 2: Convert to fraction form
    101,407.48/152,094.90 = 30,329.08/x
  3. Step 3: Cross multiply
    101,407.48x = 152,094.90 × 30,329.08
  4. Step 4: Simplify right side
    101,407.48x = 4,612,898,389.69
  5. Step 5: Solve for x
    x = 4,612,898,389.69/101,407.48
  6. Step 6: Final answer
    x = 45,488.74

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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.