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Finding the Fourth Proportional to 169,988,894.55, 254,983,341.83 and 55,055,920.95

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Solution

The fourth proportional to 169,988,894.55, 254,983,341.83 and 55,055,920.95 is: 82,583,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,988,894.55 : 254,983,341.83 = 55,055,920.95 : x
  2. Step 2: Convert to fraction form
    169,988,894.55/254,983,341.83 = 55,055,920.95/x
  3. Step 3: Cross multiply
    169,988,894.55x = 254,983,341.83 × 55,055,920.95
  4. Step 4: Simplify right side
    169,988,894.55x = 14,038,342,711,084,028
  5. Step 5: Solve for x
    x = 14,038,342,711,084,028/169,988,894.55
  6. Step 6: Final answer
    x = 82,583,881.43

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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.