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Finding the Fourth Proportional to 174,903.40, 262,355.10 and 75,030.40

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Solution

The fourth proportional to 174,903.40, 262,355.10 and 75,030.40 is: 112,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,903.40 : 262,355.10 = 75,030.40 : x
  2. Step 2: Convert to fraction form
    174,903.40/262,355.10 = 75,030.40/x
  3. Step 3: Cross multiply
    174,903.40x = 262,355.10 × 75,030.40
  4. Step 4: Simplify right side
    174,903.40x = 19,684,608,095.04
  5. Step 5: Solve for x
    x = 19,684,608,095.04/174,903.40
  6. Step 6: Final answer
    x = 112,545.60

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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.