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Finding the Fourth Proportional to 96,447.93, 133,098.12 and 53,430.20

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Solution

The fourth proportional to 96,447.93, 133,098.12 and 53,430.20 is: 73,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,447.93 : 133,098.12 = 53,430.20 : x
  2. Step 2: Convert to fraction form
    96,447.93/133,098.12 = 53,430.20/x
  3. Step 3: Cross multiply
    96,447.93x = 133,098.12 × 53,430.20
  4. Step 4: Simplify right side
    96,447.93x = 7,111,459,004.85
  5. Step 5: Solve for x
    x = 7,111,459,004.85/96,447.93
  6. Step 6: Final answer
    x = 73,733.66

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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.