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Finding the Fourth Proportional to 230,907.40, 346,409.70 and 97,719.10

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Solution

The fourth proportional to 230,907.40, 346,409.70 and 97,719.10 is: 146,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,907.40 : 346,409.70 = 97,719.10 : x
  2. Step 2: Convert to fraction form
    230,907.40/346,409.70 = 97,719.10/x
  3. Step 3: Cross multiply
    230,907.40x = 346,409.70 × 97,719.10
  4. Step 4: Simplify right side
    230,907.40x = 33,850,844,115.27
  5. Step 5: Solve for x
    x = 33,850,844,115.27/230,907.40
  6. Step 6: Final answer
    x = 146,599.22

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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.