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Finding the Fourth Proportional to 93,332.52, 128,795.67 and 53,045.58

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Solution

The fourth proportional to 93,332.52, 128,795.67 and 53,045.58 is: 73,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,332.52 : 128,795.67 = 53,045.58 : x
  2. Step 2: Convert to fraction form
    93,332.52/128,795.67 = 53,045.58/x
  3. Step 3: Cross multiply
    93,332.52x = 128,795.67 × 53,045.58
  4. Step 4: Simplify right side
    93,332.52x = 6,832,041,016.64
  5. Step 5: Solve for x
    x = 6,832,041,016.64/93,332.52
  6. Step 6: Final answer
    x = 73,201.08

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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.