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Finding the Fourth Proportional to 110,117.61, 151,992.32 and 64,810.13

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Solution

The fourth proportional to 110,117.61, 151,992.32 and 64,810.13 is: 89,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,117.61 : 151,992.32 = 64,810.13 : x
  2. Step 2: Convert to fraction form
    110,117.61/151,992.32 = 64,810.13/x
  3. Step 3: Cross multiply
    110,117.61x = 151,992.32 × 64,810.13
  4. Step 4: Simplify right side
    110,117.61x = 9,850,640,934.19
  5. Step 5: Solve for x
    x = 9,850,640,934.19/110,117.61
  6. Step 6: Final answer
    x = 89,455.64

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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.