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Finding the Fourth Proportional to 356,957.08, 535,453.37 and 117,095.15

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Solution

The fourth proportional to 356,957.08, 535,453.37 and 117,095.15 is: 175,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,957.08 : 535,453.37 = 117,095.15 : x
  2. Step 2: Convert to fraction form
    356,957.08/535,453.37 = 117,095.15/x
  3. Step 3: Cross multiply
    356,957.08x = 535,453.37 × 117,095.15
  4. Step 4: Simplify right side
    356,957.08x = 62,698,992,678.16
  5. Step 5: Solve for x
    x = 62,698,992,678.16/356,957.08
  6. Step 6: Final answer
    x = 175,648.55

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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.