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Finding the Fourth Proportional to 228,306.90, 342,462.66 and 101,953.58

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Solution

The fourth proportional to 228,306.90, 342,462.66 and 101,953.58 is: 152,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,306.90 : 342,462.66 = 101,953.58 : x
  2. Step 2: Convert to fraction form
    228,306.90/342,462.66 = 101,953.58/x
  3. Step 3: Cross multiply
    228,306.90x = 342,462.66 × 101,953.58
  4. Step 4: Simplify right side
    228,306.90x = 34,915,294,203.32
  5. Step 5: Solve for x
    x = 34,915,294,203.32/228,306.90
  6. Step 6: Final answer
    x = 152,931.40

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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.