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Finding the Fourth Proportional to 248,303.83, 372,459.17 and 70,810.86

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Solution

The fourth proportional to 248,303.83, 372,459.17 and 70,810.86 is: 106,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,303.83 : 372,459.17 = 70,810.86 : x
  2. Step 2: Convert to fraction form
    248,303.83/372,459.17 = 70,810.86/x
  3. Step 3: Cross multiply
    248,303.83x = 372,459.17 × 70,810.86
  4. Step 4: Simplify right side
    248,303.83x = 26,374,154,844.04
  5. Step 5: Solve for x
    x = 26,374,154,844.04/248,303.83
  6. Step 6: Final answer
    x = 106,217.27

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1.5x scale

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.