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Finding the Fourth Proportional to 103,567.98, 143,465.01 and 101,468.46

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Solution

The fourth proportional to 103,567.98, 143,465.01 and 101,468.46 is: 140,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.98 : 143,465.01 = 101,468.46 : x
  2. Step 2: Convert to fraction form
    103,567.98/143,465.01 = 101,468.46/x
  3. Step 3: Cross multiply
    103,567.98x = 143,465.01 × 101,468.46
  4. Step 4: Simplify right side
    103,567.98x = 14,557,173,628.58
  5. Step 5: Solve for x
    x = 14,557,173,628.58/103,567.98
  6. Step 6: Final answer
    x = 140,556.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.