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Finding the Fourth Proportional to 104,636.61, 142,466.70 and 104,304.46

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Solution

The fourth proportional to 104,636.61, 142,466.70 and 104,304.46 is: 142,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.61 : 142,466.70 = 104,304.46 : x
  2. Step 2: Convert to fraction form
    104,636.61/142,466.70 = 104,304.46/x
  3. Step 3: Cross multiply
    104,636.61x = 142,466.70 × 104,304.46
  4. Step 4: Simplify right side
    104,636.61x = 14,859,911,926.87
  5. Step 5: Solve for x
    x = 14,859,911,926.87/104,636.61
  6. Step 6: Final answer
    x = 142,014.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.