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Finding the Fourth Proportional to 173,156.30, 259,746.60 and 98,312.30

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Solution

The fourth proportional to 173,156.30, 259,746.60 and 98,312.30 is: 147,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,156.30 : 259,746.60 = 98,312.30 : x
  2. Step 2: Convert to fraction form
    173,156.30/259,746.60 = 98,312.30/x
  3. Step 3: Cross multiply
    173,156.30x = 259,746.60 × 98,312.30
  4. Step 4: Simplify right side
    173,156.30x = 25,536,285,663.18
  5. Step 5: Solve for x
    x = 25,536,285,663.18/173,156.30
  6. Step 6: Final answer
    x = 147,475.35

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1.5x scale

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.