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Finding the Fourth Proportional to 163,506.99, 245,253.60 and 56,915.25

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Solution

The fourth proportional to 163,506.99, 245,253.60 and 56,915.25 is: 85,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,506.99 : 245,253.60 = 56,915.25 : x
  2. Step 2: Convert to fraction form
    163,506.99/245,253.60 = 56,915.25/x
  3. Step 3: Cross multiply
    163,506.99x = 245,253.60 × 56,915.25
  4. Step 4: Simplify right side
    163,506.99x = 13,958,669,957.40
  5. Step 5: Solve for x
    x = 13,958,669,957.40/163,506.99
  6. Step 6: Final answer
    x = 85,370.48

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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.