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Finding the Fourth Proportional to 175,358.76, 242,018.80 and 98,893.58

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Solution

The fourth proportional to 175,358.76, 242,018.80 and 98,893.58 is: 136,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,358.76 : 242,018.80 = 98,893.58 : x
  2. Step 2: Convert to fraction form
    175,358.76/242,018.80 = 98,893.58/x
  3. Step 3: Cross multiply
    175,358.76x = 242,018.80 × 98,893.58
  4. Step 4: Simplify right side
    175,358.76x = 23,934,105,559.30
  5. Step 5: Solve for x
    x = 23,934,105,559.30/175,358.76
  6. Step 6: Final answer
    x = 136,486.51

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1.5x scale

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.