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Finding the Fourth Proportional to 93,751.65, 140,544.33 and 70,030.53

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Solution

The fourth proportional to 93,751.65, 140,544.33 and 70,030.53 is: 104,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.65 : 140,544.33 = 70,030.53 : x
  2. Step 2: Convert to fraction form
    93,751.65/140,544.33 = 70,030.53/x
  3. Step 3: Cross multiply
    93,751.65x = 140,544.33 × 70,030.53
  4. Step 4: Simplify right side
    93,751.65x = 9,842,393,918.39
  5. Step 5: Solve for x
    x = 9,842,393,918.39/93,751.65
  6. Step 6: Final answer
    x = 104,983.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.