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Finding the Fourth Proportional to 117,263.60, 175,914.08 and 42,376.16

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Solution

The fourth proportional to 117,263.60, 175,914.08 and 42,376.16 is: 63,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,263.60 : 175,914.08 = 42,376.16 : x
  2. Step 2: Convert to fraction form
    117,263.60/175,914.08 = 42,376.16/x
  3. Step 3: Cross multiply
    117,263.60x = 175,914.08 × 42,376.16
  4. Step 4: Simplify right side
    117,263.60x = 7,454,563,587.15
  5. Step 5: Solve for x
    x = 7,454,563,587.15/117,263.60
  6. Step 6: Final answer
    x = 63,570.99

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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.