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Finding the Fourth Proportional to 97,503.37, 134,553 and 54,483.55

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Solution

The fourth proportional to 97,503.37, 134,553 and 54,483.55 is: 75,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,503.37 : 134,553 = 54,483.55 : x
  2. Step 2: Convert to fraction form
    97,503.37/134,553 = 54,483.55/x
  3. Step 3: Cross multiply
    97,503.37x = 134,553 × 54,483.55
  4. Step 4: Simplify right side
    97,503.37x = 7,330,925,103.15
  5. Step 5: Solve for x
    x = 7,330,925,103.15/97,503.37
  6. Step 6: Final answer
    x = 75,186.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.