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Finding the Fourth Proportional to 211,684.95, 292,074.98 and 119,805.48

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Solution

The fourth proportional to 211,684.95, 292,074.98 and 119,805.48 is: 165,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,684.95 : 292,074.98 = 119,805.48 : x
  2. Step 2: Convert to fraction form
    211,684.95/292,074.98 = 119,805.48/x
  3. Step 3: Cross multiply
    211,684.95x = 292,074.98 × 119,805.48
  4. Step 4: Simplify right side
    211,684.95x = 34,992,182,575.86
  5. Step 5: Solve for x
    x = 34,992,182,575.86/211,684.95
  6. Step 6: Final answer
    x = 165,303.12

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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.