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Finding the Fourth Proportional to 544,071.50, 816,106.20 and 144,712.70

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Solution

The fourth proportional to 544,071.50, 816,106.20 and 144,712.70 is: 217,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,071.50 : 816,106.20 = 144,712.70 : x
  2. Step 2: Convert to fraction form
    544,071.50/816,106.20 = 144,712.70/x
  3. Step 3: Cross multiply
    544,071.50x = 816,106.20 × 144,712.70
  4. Step 4: Simplify right side
    544,071.50x = 118,100,931,688.74
  5. Step 5: Solve for x
    x = 118,100,931,688.74/544,071.50
  6. Step 6: Final answer
    x = 217,068.77

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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.