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Finding the Fourth Proportional to 165,994.76, 249,007.62 and 66,130.76

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Solution

The fourth proportional to 165,994.76, 249,007.62 and 66,130.76 is: 99,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,994.76 : 249,007.62 = 66,130.76 : x
  2. Step 2: Convert to fraction form
    165,994.76/249,007.62 = 66,130.76/x
  3. Step 3: Cross multiply
    165,994.76x = 249,007.62 × 66,130.76
  4. Step 4: Simplify right side
    165,994.76x = 16,467,063,156.39
  5. Step 5: Solve for x
    x = 16,467,063,156.39/165,994.76
  6. Step 6: Final answer
    x = 99,202.31

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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.