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Finding the Fourth Proportional to 119,065.58, 178,656.63 and 47,985.02

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Solution

The fourth proportional to 119,065.58, 178,656.63 and 47,985.02 is: 72,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,065.58 : 178,656.63 = 47,985.02 : x
  2. Step 2: Convert to fraction form
    119,065.58/178,656.63 = 47,985.02/x
  3. Step 3: Cross multiply
    119,065.58x = 178,656.63 × 47,985.02
  4. Step 4: Simplify right side
    119,065.58x = 8,572,841,963.68
  5. Step 5: Solve for x
    x = 8,572,841,963.68/119,065.58
  6. Step 6: Final answer
    x = 72,001.01

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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.