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Finding the Fourth Proportional to 98,746.23, 147,360.02 and 88,248.63

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Solution

The fourth proportional to 98,746.23, 147,360.02 and 88,248.63 is: 131,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.23 : 147,360.02 = 88,248.63 : x
  2. Step 2: Convert to fraction form
    98,746.23/147,360.02 = 88,248.63/x
  3. Step 3: Cross multiply
    98,746.23x = 147,360.02 × 88,248.63
  4. Step 4: Simplify right side
    98,746.23x = 13,004,319,440.53
  5. Step 5: Solve for x
    x = 13,004,319,440.53/98,746.23
  6. Step 6: Final answer
    x = 131,694.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.