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Finding the Fourth Proportional to 149,175, 223,763.10 and 60,430.18

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Solution

The fourth proportional to 149,175, 223,763.10 and 60,430.18 is: 90,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,175 : 223,763.10 = 60,430.18 : x
  2. Step 2: Convert to fraction form
    149,175/223,763.10 = 60,430.18/x
  3. Step 3: Cross multiply
    149,175x = 223,763.10 × 60,430.18
  4. Step 4: Simplify right side
    149,175x = 13,522,044,410.36
  5. Step 5: Solve for x
    x = 13,522,044,410.36/149,175
  6. Step 6: Final answer
    x = 90,645.51

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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.