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Finding the Fourth Proportional to 228,289.40, 342,843.70 and 166,030.20

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Solution

The fourth proportional to 228,289.40, 342,843.70 and 166,030.20 is: 249,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,289.40 : 342,843.70 = 166,030.20 : x
  2. Step 2: Convert to fraction form
    228,289.40/342,843.70 = 166,030.20/x
  3. Step 3: Cross multiply
    228,289.40x = 342,843.70 × 166,030.20
  4. Step 4: Simplify right side
    228,289.40x = 56,922,408,079.74
  5. Step 5: Solve for x
    x = 56,922,408,079.74/228,289.40
  6. Step 6: Final answer
    x = 249,343.19

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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.