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Finding the Fourth Proportional to 149,053.95, 205,626.59 and 88,590.23

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Solution

The fourth proportional to 149,053.95, 205,626.59 and 88,590.23 is: 122,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,053.95 : 205,626.59 = 88,590.23 : x
  2. Step 2: Convert to fraction form
    149,053.95/205,626.59 = 88,590.23/x
  3. Step 3: Cross multiply
    149,053.95x = 205,626.59 × 88,590.23
  4. Step 4: Simplify right side
    149,053.95x = 18,216,506,902.22
  5. Step 5: Solve for x
    x = 18,216,506,902.22/149,053.95
  6. Step 6: Final answer
    x = 122,214.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.