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Finding the Fourth Proportional to 174,693.84, 262,038.32 and 99,653.84

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Solution

The fourth proportional to 174,693.84, 262,038.32 and 99,653.84 is: 149,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,693.84 : 262,038.32 = 99,653.84 : x
  2. Step 2: Convert to fraction form
    174,693.84/262,038.32 = 99,653.84/x
  3. Step 3: Cross multiply
    174,693.84x = 262,038.32 × 99,653.84
  4. Step 4: Simplify right side
    174,693.84x = 26,113,124,815.15
  5. Step 5: Solve for x
    x = 26,113,124,815.15/174,693.84
  6. Step 6: Final answer
    x = 149,479.37

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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.