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Finding the Fourth Proportional to 88,987.82, 133,514.54 and 46,866.20

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Solution

The fourth proportional to 88,987.82, 133,514.54 and 46,866.20 is: 70,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,987.82 : 133,514.54 = 46,866.20 : x
  2. Step 2: Convert to fraction form
    88,987.82/133,514.54 = 46,866.20/x
  3. Step 3: Cross multiply
    88,987.82x = 133,514.54 × 46,866.20
  4. Step 4: Simplify right side
    88,987.82x = 6,257,319,134.55
  5. Step 5: Solve for x
    x = 6,257,319,134.55/88,987.82
  6. Step 6: Final answer
    x = 70,316.58

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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.