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Finding the Fourth Proportional to 101,596.15, 152,320.39 and 42,448.74

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Solution

The fourth proportional to 101,596.15, 152,320.39 and 42,448.74 is: 63,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,596.15 : 152,320.39 = 42,448.74 : x
  2. Step 2: Convert to fraction form
    101,596.15/152,320.39 = 42,448.74/x
  3. Step 3: Cross multiply
    101,596.15x = 152,320.39 × 42,448.74
  4. Step 4: Simplify right side
    101,596.15x = 6,465,808,631.81
  5. Step 5: Solve for x
    x = 6,465,808,631.81/101,596.15
  6. Step 6: Final answer
    x = 63,642.26

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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.