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Finding the Fourth Proportional to 74,710.40, 103,117.92 and 46,437.44

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Solution

The fourth proportional to 74,710.40, 103,117.92 and 46,437.44 is: 64,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.40 : 103,117.92 = 46,437.44 : x
  2. Step 2: Convert to fraction form
    74,710.40/103,117.92 = 46,437.44/x
  3. Step 3: Cross multiply
    74,710.40x = 103,117.92 × 46,437.44
  4. Step 4: Simplify right side
    74,710.40x = 4,788,532,222.92
  5. Step 5: Solve for x
    x = 4,788,532,222.92/74,710.40
  6. Step 6: Final answer
    x = 64,094.59

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Why These Related Problems?

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