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Finding the Fourth Proportional to 248,880.40, 373,466.40 and 91,124.80

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Solution

The fourth proportional to 248,880.40, 373,466.40 and 91,124.80 is: 136,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,880.40 : 373,466.40 = 91,124.80 : x
  2. Step 2: Convert to fraction form
    248,880.40/373,466.40 = 91,124.80/x
  3. Step 3: Cross multiply
    248,880.40x = 373,466.40 × 91,124.80
  4. Step 4: Simplify right side
    248,880.40x = 34,032,051,006.72
  5. Step 5: Solve for x
    x = 34,032,051,006.72/248,880.40
  6. Step 6: Final answer
    x = 136,740.58

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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.