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Finding the Fourth Proportional to 133,307.84, 183,967.02 and 79,597.55

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Solution

The fourth proportional to 133,307.84, 183,967.02 and 79,597.55 is: 109,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.84 : 183,967.02 = 79,597.55 : x
  2. Step 2: Convert to fraction form
    133,307.84/183,967.02 = 79,597.55/x
  3. Step 3: Cross multiply
    133,307.84x = 183,967.02 × 79,597.55
  4. Step 4: Simplify right side
    133,307.84x = 14,643,323,674.81
  5. Step 5: Solve for x
    x = 14,643,323,674.81/133,307.84
  6. Step 6: Final answer
    x = 109,845.93

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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.