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Finding the Fourth Proportional to 245,357.80, 368,095.51 and 118,850.19

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Solution

The fourth proportional to 245,357.80, 368,095.51 and 118,850.19 is: 178,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,357.80 : 368,095.51 = 118,850.19 : x
  2. Step 2: Convert to fraction form
    245,357.80/368,095.51 = 118,850.19/x
  3. Step 3: Cross multiply
    245,357.80x = 368,095.51 × 118,850.19
  4. Step 4: Simplify right side
    245,357.80x = 43,748,221,301.65
  5. Step 5: Solve for x
    x = 43,748,221,301.65/245,357.80
  6. Step 6: Final answer
    x = 178,303.77

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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.