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Finding the Fourth Proportional to 213,994.04, 295,291.71 and 127,935.90

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Solution

The fourth proportional to 213,994.04, 295,291.71 and 127,935.90 is: 176,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,994.04 : 295,291.71 = 127,935.90 : x
  2. Step 2: Convert to fraction form
    213,994.04/295,291.71 = 127,935.90/x
  3. Step 3: Cross multiply
    213,994.04x = 295,291.71 × 127,935.90
  4. Step 4: Simplify right side
    213,994.04x = 37,778,410,681.39
  5. Step 5: Solve for x
    x = 37,778,410,681.39/213,994.04
  6. Step 6: Final answer
    x = 176,539.55

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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.