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Finding the Fourth Proportional to 101,630.66, 152,421.48 and 42,434.24

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Solution

The fourth proportional to 101,630.66, 152,421.48 and 42,434.24 is: 63,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,630.66 : 152,421.48 = 42,434.24 : x
  2. Step 2: Convert to fraction form
    101,630.66/152,421.48 = 42,434.24/x
  3. Step 3: Cross multiply
    101,630.66x = 152,421.48 × 42,434.24
  4. Step 4: Simplify right side
    101,630.66x = 6,467,889,388.51
  5. Step 5: Solve for x
    x = 6,467,889,388.51/101,630.66
  6. Step 6: Final answer
    x = 63,641.13

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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.