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Finding the Fourth Proportional to 369,681.84, 554,522.40 and 89,199

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Solution

The fourth proportional to 369,681.84, 554,522.40 and 89,199 is: 133,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,681.84 : 554,522.40 = 89,199 : x
  2. Step 2: Convert to fraction form
    369,681.84/554,522.40 = 89,199/x
  3. Step 3: Cross multiply
    369,681.84x = 554,522.40 × 89,199
  4. Step 4: Simplify right side
    369,681.84x = 49,462,843,557.60
  5. Step 5: Solve for x
    x = 49,462,843,557.60/369,681.84
  6. Step 6: Final answer
    x = 133,798.41

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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.