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Finding the Fourth Proportional to 153,291.87, 229,972.37 and 46,685.34

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Solution

The fourth proportional to 153,291.87, 229,972.37 and 46,685.34 is: 70,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,291.87 : 229,972.37 = 46,685.34 : x
  2. Step 2: Convert to fraction form
    153,291.87/229,972.37 = 46,685.34/x
  3. Step 3: Cross multiply
    153,291.87x = 229,972.37 × 46,685.34
  4. Step 4: Simplify right side
    153,291.87x = 10,736,338,050.63
  5. Step 5: Solve for x
    x = 10,736,338,050.63/153,291.87
  6. Step 6: Final answer
    x = 70,038.54

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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.