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Finding the Fourth Proportional to 417,611.04, 626,411.16 and 102,070.68

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Solution

The fourth proportional to 417,611.04, 626,411.16 and 102,070.68 is: 153,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,611.04 : 626,411.16 = 102,070.68 : x
  2. Step 2: Convert to fraction form
    417,611.04/626,411.16 = 102,070.68/x
  3. Step 3: Cross multiply
    417,611.04x = 626,411.16 × 102,070.68
  4. Step 4: Simplify right side
    417,611.04x = 63,938,213,060.79
  5. Step 5: Solve for x
    x = 63,938,213,060.79/417,611.04
  6. Step 6: Final answer
    x = 153,104.70

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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.