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Finding the Fourth Proportional to 213,886.17, 295,159.34 and 118,390.82

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Solution

The fourth proportional to 213,886.17, 295,159.34 and 118,390.82 is: 163,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,886.17 : 295,159.34 = 118,390.82 : x
  2. Step 2: Convert to fraction form
    213,886.17/295,159.34 = 118,390.82/x
  3. Step 3: Cross multiply
    213,886.17x = 295,159.34 × 118,390.82
  4. Step 4: Simplify right side
    213,886.17x = 34,944,155,113.44
  5. Step 5: Solve for x
    x = 34,944,155,113.44/213,886.17
  6. Step 6: Final answer
    x = 163,377.35

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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.