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Finding the Fourth Proportional to 186,656.94, 257,626.80 and 110,147.58

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Solution

The fourth proportional to 186,656.94, 257,626.80 and 110,147.58 is: 152,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656.94 : 257,626.80 = 110,147.58 : x
  2. Step 2: Convert to fraction form
    186,656.94/257,626.80 = 110,147.58/x
  3. Step 3: Cross multiply
    186,656.94x = 257,626.80 × 110,147.58
  4. Step 4: Simplify right side
    186,656.94x = 28,376,968,563.14
  5. Step 5: Solve for x
    x = 28,376,968,563.14/186,656.94
  6. Step 6: Final answer
    x = 152,027.40

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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.