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Finding the Fourth Proportional to 90,955.08, 136,180.71 and 46,486.08

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Solution

The fourth proportional to 90,955.08, 136,180.71 and 46,486.08 is: 69,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.08 : 136,180.71 = 46,486.08 : x
  2. Step 2: Convert to fraction form
    90,955.08/136,180.71 = 46,486.08/x
  3. Step 3: Cross multiply
    90,955.08x = 136,180.71 × 46,486.08
  4. Step 4: Simplify right side
    90,955.08x = 6,330,507,379.52
  5. Step 5: Solve for x
    x = 6,330,507,379.52/90,955.08
  6. Step 6: Final answer
    x = 69,600.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.