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Finding the Fourth Proportional to 133,307.34, 183,966.32 and 79,597.05

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Solution

The fourth proportional to 133,307.34, 183,966.32 and 79,597.05 is: 109,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.34 : 183,966.32 = 79,597.05 : x
  2. Step 2: Convert to fraction form
    133,307.34/183,966.32 = 79,597.05/x
  3. Step 3: Cross multiply
    133,307.34x = 183,966.32 × 79,597.05
  4. Step 4: Simplify right side
    133,307.34x = 14,643,176,570.35
  5. Step 5: Solve for x
    x = 14,643,176,570.35/133,307.34
  6. Step 6: Final answer
    x = 109,845.24

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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.