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Finding the Fourth Proportional to 186,065.83, 256,763.08 and 105,498.81

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Solution

The fourth proportional to 186,065.83, 256,763.08 and 105,498.81 is: 145,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,065.83 : 256,763.08 = 105,498.81 : x
  2. Step 2: Convert to fraction form
    186,065.83/256,763.08 = 105,498.81/x
  3. Step 3: Cross multiply
    186,065.83x = 256,763.08 × 105,498.81
  4. Step 4: Simplify right side
    186,065.83x = 27,088,199,391.93
  5. Step 5: Solve for x
    x = 27,088,199,391.93/186,065.83
  6. Step 6: Final answer
    x = 145,583.95

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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.