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Finding the Fourth Proportional to 175,437.79, 242,106.74 and 98,960.52

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Solution

The fourth proportional to 175,437.79, 242,106.74 and 98,960.52 is: 136,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,437.79 : 242,106.74 = 98,960.52 : x
  2. Step 2: Convert to fraction form
    175,437.79/242,106.74 = 98,960.52/x
  3. Step 3: Cross multiply
    175,437.79x = 242,106.74 × 98,960.52
  4. Step 4: Simplify right side
    175,437.79x = 23,959,008,885.90
  5. Step 5: Solve for x
    x = 23,959,008,885.90/175,437.79
  6. Step 6: Final answer
    x = 136,566.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.