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Finding the Fourth Proportional to 60,465.94, 83,222.76 and 53,248.60

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Solution

The fourth proportional to 60,465.94, 83,222.76 and 53,248.60 is: 73,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,465.94 : 83,222.76 = 53,248.60 : x
  2. Step 2: Convert to fraction form
    60,465.94/83,222.76 = 53,248.60/x
  3. Step 3: Cross multiply
    60,465.94x = 83,222.76 × 53,248.60
  4. Step 4: Simplify right side
    60,465.94x = 4,431,495,458.14
  5. Step 5: Solve for x
    x = 4,431,495,458.14/60,465.94
  6. Step 6: Final answer
    x = 73,289.12

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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.