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Finding the Fourth Proportional to 93,155.06, 128,537.06 and 52,870.52

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Solution

The fourth proportional to 93,155.06, 128,537.06 and 52,870.52 is: 72,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.06 : 128,537.06 = 52,870.52 : x
  2. Step 2: Convert to fraction form
    93,155.06/128,537.06 = 52,870.52/x
  3. Step 3: Cross multiply
    93,155.06x = 128,537.06 × 52,870.52
  4. Step 4: Simplify right side
    93,155.06x = 6,795,820,937.12
  5. Step 5: Solve for x
    x = 6,795,820,937.12/93,155.06
  6. Step 6: Final answer
    x = 72,951.71

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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.