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Finding the Fourth Proportional to 111,748,978, 154,210,429.02 and 62,188,561

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Solution

The fourth proportional to 111,748,978, 154,210,429.02 and 62,188,561 is: 85,818,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,748,978 : 154,210,429.02 = 62,188,561 : x
  2. Step 2: Convert to fraction form
    111,748,978/154,210,429.02 = 62,188,561/x
  3. Step 3: Cross multiply
    111,748,978x = 154,210,429.02 × 62,188,561
  4. Step 4: Simplify right side
    111,748,978x = 9,590,124,671,946,440
  5. Step 5: Solve for x
    x = 9,590,124,671,946,440/111,748,978
  6. Step 6: Final answer
    x = 85,818,455.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.