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Finding the Fourth Proportional to 111,845,612.16, 167,808,659.04 and 39,073,099.68

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Solution

The fourth proportional to 111,845,612.16, 167,808,659.04 and 39,073,099.68 is: 58,623,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,845,612.16 : 167,808,659.04 = 39,073,099.68 : x
  2. Step 2: Convert to fraction form
    111,845,612.16/167,808,659.04 = 39,073,099.68/x
  3. Step 3: Cross multiply
    111,845,612.16x = 167,808,659.04 × 39,073,099.68
  4. Step 4: Simplify right side
    111,845,612.16x = 6,556,804,461,837,053
  5. Step 5: Solve for x
    x = 6,556,804,461,837,053/111,845,612.16
  6. Step 6: Final answer
    x = 58,623,707.58

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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.