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Finding the Fourth Proportional to 369,875.79, 554,813.82 and 89,393.04

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Solution

The fourth proportional to 369,875.79, 554,813.82 and 89,393.04 is: 134,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,875.79 : 554,813.82 = 89,393.04 : x
  2. Step 2: Convert to fraction form
    369,875.79/554,813.82 = 89,393.04/x
  3. Step 3: Cross multiply
    369,875.79x = 554,813.82 × 89,393.04
  4. Step 4: Simplify right side
    369,875.79x = 49,596,494,003.81
  5. Step 5: Solve for x
    x = 49,596,494,003.81/369,875.79
  6. Step 6: Final answer
    x = 134,089.59

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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.