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Finding the Fourth Proportional to 101,595.64, 152,319.65 and 42,448.23

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Solution

The fourth proportional to 101,595.64, 152,319.65 and 42,448.23 is: 63,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,595.64 : 152,319.65 = 42,448.23 : x
  2. Step 2: Convert to fraction form
    101,595.64/152,319.65 = 42,448.23/x
  3. Step 3: Cross multiply
    101,595.64x = 152,319.65 × 42,448.23
  4. Step 4: Simplify right side
    101,595.64x = 6,465,699,536.72
  5. Step 5: Solve for x
    x = 6,465,699,536.72/101,595.64
  6. Step 6: Final answer
    x = 63,641.51

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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.