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Finding the Fourth Proportional to 169,971,873.60, 254,957,810.40 and 155,800,113.60

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Solution

The fourth proportional to 169,971,873.60, 254,957,810.40 and 155,800,113.60 is: 233,700,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,971,873.60 : 254,957,810.40 = 155,800,113.60 : x
  2. Step 2: Convert to fraction form
    169,971,873.60/254,957,810.40 = 155,800,113.60/x
  3. Step 3: Cross multiply
    169,971,873.60x = 254,957,810.40 × 155,800,113.60
  4. Step 4: Simplify right side
    169,971,873.60x = 39,722,455,823,527,264
  5. Step 5: Solve for x
    x = 39,722,455,823,527,264/169,971,873.60
  6. Step 6: Final answer
    x = 233,700,170.40

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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.