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Finding the Fourth Proportional to 175,258.60, 262,904.10 and 70,055.80

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Solution

The fourth proportional to 175,258.60, 262,904.10 and 70,055.80 is: 105,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,258.60 : 262,904.10 = 70,055.80 : x
  2. Step 2: Convert to fraction form
    175,258.60/262,904.10 = 70,055.80/x
  3. Step 3: Cross multiply
    175,258.60x = 262,904.10 × 70,055.80
  4. Step 4: Simplify right side
    175,258.60x = 18,417,957,048.78
  5. Step 5: Solve for x
    x = 18,417,957,048.78/175,258.60
  6. Step 6: Final answer
    x = 105,090.18

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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.