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Finding the Fourth Proportional to 186,763.50, 257,733.63 and 101,880.90

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Solution

The fourth proportional to 186,763.50, 257,733.63 and 101,880.90 is: 140,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,763.50 : 257,733.63 = 101,880.90 : x
  2. Step 2: Convert to fraction form
    186,763.50/257,733.63 = 101,880.90/x
  3. Step 3: Cross multiply
    186,763.50x = 257,733.63 × 101,880.90
  4. Step 4: Simplify right side
    186,763.50x = 26,258,134,184.67
  5. Step 5: Solve for x
    x = 26,258,134,184.67/186,763.50
  6. Step 6: Final answer
    x = 140,595.64

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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.