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Finding the Fourth Proportional to 173,653.30, 260,566.35 and 98,830.90

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Solution

The fourth proportional to 173,653.30, 260,566.35 and 98,830.90 is: 148,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,653.30 : 260,566.35 = 98,830.90 : x
  2. Step 2: Convert to fraction form
    173,653.30/260,566.35 = 98,830.90/x
  3. Step 3: Cross multiply
    173,653.30x = 260,566.35 × 98,830.90
  4. Step 4: Simplify right side
    173,653.30x = 25,752,006,880.22
  5. Step 5: Solve for x
    x = 25,752,006,880.22/173,653.30
  6. Step 6: Final answer
    x = 148,295.52

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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.