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Finding the Fourth Proportional to 184,863.65, 255,111.84 and 99,980.71

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Solution

The fourth proportional to 184,863.65, 255,111.84 and 99,980.71 is: 137,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,863.65 : 255,111.84 = 99,980.71 : x
  2. Step 2: Convert to fraction form
    184,863.65/255,111.84 = 99,980.71/x
  3. Step 3: Cross multiply
    184,863.65x = 255,111.84 × 99,980.71
  4. Step 4: Simplify right side
    184,863.65x = 25,506,262,392.70
  5. Step 5: Solve for x
    x = 25,506,262,392.70/184,863.65
  6. Step 6: Final answer
    x = 137,973.38

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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.