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Finding the Fourth Proportional to 93,779.34, 140,685.02 and 34,615.32

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Solution

The fourth proportional to 93,779.34, 140,685.02 and 34,615.32 is: 51,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.34 : 140,685.02 = 34,615.32 : x
  2. Step 2: Convert to fraction form
    93,779.34/140,685.02 = 34,615.32/x
  3. Step 3: Cross multiply
    93,779.34x = 140,685.02 × 34,615.32
  4. Step 4: Simplify right side
    93,779.34x = 4,869,856,986.51
  5. Step 5: Solve for x
    x = 4,869,856,986.51/93,779.34
  6. Step 6: Final answer
    x = 51,928.89

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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.