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Finding the Fourth Proportional to 525,833.02, 788,855.64 and 166,060.09

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Solution

The fourth proportional to 525,833.02, 788,855.64 and 166,060.09 is: 249,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,833.02 : 788,855.64 = 166,060.09 : x
  2. Step 2: Convert to fraction form
    525,833.02/788,855.64 = 166,060.09/x
  3. Step 3: Cross multiply
    525,833.02x = 788,855.64 × 166,060.09
  4. Step 4: Simplify right side
    525,833.02x = 130,997,438,575.41
  5. Step 5: Solve for x
    x = 130,997,438,575.41/525,833.02
  6. Step 6: Final answer
    x = 249,123.64

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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.