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Finding the Fourth Proportional to 96,803.81, 133,587.51 and 53,783.49

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Solution

The fourth proportional to 96,803.81, 133,587.51 and 53,783.49 is: 74,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,803.81 : 133,587.51 = 53,783.49 : x
  2. Step 2: Convert to fraction form
    96,803.81/133,587.51 = 53,783.49/x
  3. Step 3: Cross multiply
    96,803.81x = 133,587.51 × 53,783.49
  4. Step 4: Simplify right side
    96,803.81x = 7,184,802,508.21
  5. Step 5: Solve for x
    x = 7,184,802,508.21/96,803.81
  6. Step 6: Final answer
    x = 74,220.25

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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.