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Finding the Fourth Proportional to 358,477.84, 537,804.06 and 109,159.84

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Solution

The fourth proportional to 358,477.84, 537,804.06 and 109,159.84 is: 163,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,477.84 : 537,804.06 = 109,159.84 : x
  2. Step 2: Convert to fraction form
    358,477.84/537,804.06 = 109,159.84/x
  3. Step 3: Cross multiply
    358,477.84x = 537,804.06 × 109,159.84
  4. Step 4: Simplify right side
    358,477.84x = 58,706,605,140.95
  5. Step 5: Solve for x
    x = 58,706,605,140.95/358,477.84
  6. Step 6: Final answer
    x = 163,766.34

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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.