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Finding the Fourth Proportional to 236,292.48, 354,457.92 and 70,080

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Solution

The fourth proportional to 236,292.48, 354,457.92 and 70,080 is: 105,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,292.48 : 354,457.92 = 70,080 : x
  2. Step 2: Convert to fraction form
    236,292.48/354,457.92 = 70,080/x
  3. Step 3: Cross multiply
    236,292.48x = 354,457.92 × 70,080
  4. Step 4: Simplify right side
    236,292.48x = 24,840,411,033.60
  5. Step 5: Solve for x
    x = 24,840,411,033.60/236,292.48
  6. Step 6: Final answer
    x = 105,125.69

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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.