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Finding the Fourth Proportional to 174,117.09, 260,825.71 and 90,836.13

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Solution

The fourth proportional to 174,117.09, 260,825.71 and 90,836.13 is: 136,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,117.09 : 260,825.71 = 90,836.13 : x
  2. Step 2: Convert to fraction form
    174,117.09/260,825.71 = 90,836.13/x
  3. Step 3: Cross multiply
    174,117.09x = 260,825.71 × 90,836.13
  4. Step 4: Simplify right side
    174,117.09x = 23,692,397,646.72
  5. Step 5: Solve for x
    x = 23,692,397,646.72/174,117.09
  6. Step 6: Final answer
    x = 136,071.64

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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.