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Finding the Fourth Proportional to 237,061.60, 355,643.60 and 70,866.40

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Solution

The fourth proportional to 237,061.60, 355,643.60 and 70,866.40 is: 106,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,061.60 : 355,643.60 = 70,866.40 : x
  2. Step 2: Convert to fraction form
    237,061.60/355,643.60 = 70,866.40/x
  3. Step 3: Cross multiply
    237,061.60x = 355,643.60 × 70,866.40
  4. Step 4: Simplify right side
    237,061.60x = 25,203,181,615.04
  5. Step 5: Solve for x
    x = 25,203,181,615.04/237,061.60
  6. Step 6: Final answer
    x = 106,314.91

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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.