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Finding the Fourth Proportional to 64,065,105.76, 88,409,407.80 and 34,695,762.88

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Solution

The fourth proportional to 64,065,105.76, 88,409,407.80 and 34,695,762.88 is: 47,879,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065,105.76 : 88,409,407.80 = 34,695,762.88 : x
  2. Step 2: Convert to fraction form
    64,065,105.76/88,409,407.80 = 34,695,762.88/x
  3. Step 3: Cross multiply
    64,065,105.76x = 88,409,407.80 × 34,695,762.88
  4. Step 4: Simplify right side
    64,065,105.76x = 3,067,431,849,390,022.50
  5. Step 5: Solve for x
    x = 3,067,431,849,390,022.50/64,065,105.76
  6. Step 6: Final answer
    x = 47,879,915.49

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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.