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Finding the Fourth Proportional to 96,693.93, 133,435.53 and 53,670.90

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Solution

The fourth proportional to 96,693.93, 133,435.53 and 53,670.90 is: 74,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,693.93 : 133,435.53 = 53,670.90 : x
  2. Step 2: Convert to fraction form
    96,693.93/133,435.53 = 53,670.90/x
  3. Step 3: Cross multiply
    96,693.93x = 133,435.53 × 53,670.90
  4. Step 4: Simplify right side
    96,693.93x = 7,161,604,987.08
  5. Step 5: Solve for x
    x = 7,161,604,987.08/96,693.93
  6. Step 6: Final answer
    x = 74,064.68

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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.