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Finding the Fourth Proportional to 230,898.80, 346,477.80 and 97,756.40

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Solution

The fourth proportional to 230,898.80, 346,477.80 and 97,756.40 is: 146,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,898.80 : 346,477.80 = 97,756.40 : x
  2. Step 2: Convert to fraction form
    230,898.80/346,477.80 = 97,756.40/x
  3. Step 3: Cross multiply
    230,898.80x = 346,477.80 × 97,756.40
  4. Step 4: Simplify right side
    230,898.80x = 33,870,422,407.92
  5. Step 5: Solve for x
    x = 33,870,422,407.92/230,898.80
  6. Step 6: Final answer
    x = 146,689.47

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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.