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Finding the Fourth Proportional to 242,590.90, 363,886.35 and 74,110.90

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Solution

The fourth proportional to 242,590.90, 363,886.35 and 74,110.90 is: 111,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,590.90 : 363,886.35 = 74,110.90 : x
  2. Step 2: Convert to fraction form
    242,590.90/363,886.35 = 74,110.90/x
  3. Step 3: Cross multiply
    242,590.90x = 363,886.35 × 74,110.90
  4. Step 4: Simplify right side
    242,590.90x = 26,967,944,896.22
  5. Step 5: Solve for x
    x = 26,967,944,896.22/242,590.90
  6. Step 6: Final answer
    x = 111,166.35

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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.