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Finding the Fourth Proportional to 121,292,065.80, 181,814,095.80 and 59,786,627.40

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Solution

The fourth proportional to 121,292,065.80, 181,814,095.80 and 59,786,627.40 is: 89,618,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292,065.80 : 181,814,095.80 = 59,786,627.40 : x
  2. Step 2: Convert to fraction form
    121,292,065.80/181,814,095.80 = 59,786,627.40/x
  3. Step 3: Cross multiply
    121,292,065.80x = 181,814,095.80 × 59,786,627.40
  4. Step 4: Simplify right side
    121,292,065.80x = 10,870,051,601,662,506
  5. Step 5: Solve for x
    x = 10,870,051,601,662,506/121,292,065.80
  6. Step 6: Final answer
    x = 89,618,818.26

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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.