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Finding the Fourth Proportional to 78,598.06, 117,904.10 and 22,437.12

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Solution

The fourth proportional to 78,598.06, 117,904.10 and 22,437.12 is: 33,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,598.06 : 117,904.10 = 22,437.12 : x
  2. Step 2: Convert to fraction form
    78,598.06/117,904.10 = 22,437.12/x
  3. Step 3: Cross multiply
    78,598.06x = 117,904.10 × 22,437.12
  4. Step 4: Simplify right side
    78,598.06x = 2,645,428,440.19
  5. Step 5: Solve for x
    x = 2,645,428,440.19/78,598.06
  6. Step 6: Final answer
    x = 33,657.68

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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.