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Finding the Fourth Proportional to 93,341.38, 128,806.03 and 53,049.55

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Solution

The fourth proportional to 93,341.38, 128,806.03 and 53,049.55 is: 73,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,341.38 : 128,806.03 = 53,049.55 : x
  2. Step 2: Convert to fraction form
    93,341.38/128,806.03 = 53,049.55/x
  3. Step 3: Cross multiply
    93,341.38x = 128,806.03 × 53,049.55
  4. Step 4: Simplify right side
    93,341.38x = 6,833,101,019.51
  5. Step 5: Solve for x
    x = 6,833,101,019.51/93,341.38
  6. Step 6: Final answer
    x = 73,205.49

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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.