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Finding the Fourth Proportional to 186,064.42, 256,790.55 and 104,415.16

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Solution

The fourth proportional to 186,064.42, 256,790.55 and 104,415.16 is: 144,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,064.42 : 256,790.55 = 104,415.16 : x
  2. Step 2: Convert to fraction form
    186,064.42/256,790.55 = 104,415.16/x
  3. Step 3: Cross multiply
    186,064.42x = 256,790.55 × 104,415.16
  4. Step 4: Simplify right side
    186,064.42x = 26,812,826,364.74
  5. Step 5: Solve for x
    x = 26,812,826,364.74/186,064.42
  6. Step 6: Final answer
    x = 144,105.07

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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.