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Finding the Fourth Proportional to 111,802.52, 154,265.10 and 64,070.84

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Solution

The fourth proportional to 111,802.52, 154,265.10 and 64,070.84 is: 88,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,802.52 : 154,265.10 = 64,070.84 : x
  2. Step 2: Convert to fraction form
    111,802.52/154,265.10 = 64,070.84/x
  3. Step 3: Cross multiply
    111,802.52x = 154,265.10 × 64,070.84
  4. Step 4: Simplify right side
    111,802.52x = 9,883,894,539.68
  5. Step 5: Solve for x
    x = 9,883,894,539.68/111,802.52
  6. Step 6: Final answer
    x = 88,404.94

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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.