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Finding the Fourth Proportional to 101,802.03, 140,487.64 and 56,482.98

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Solution

The fourth proportional to 101,802.03, 140,487.64 and 56,482.98 is: 77,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,802.03 : 140,487.64 = 56,482.98 : x
  2. Step 2: Convert to fraction form
    101,802.03/140,487.64 = 56,482.98/x
  3. Step 3: Cross multiply
    101,802.03x = 140,487.64 × 56,482.98
  4. Step 4: Simplify right side
    101,802.03x = 7,935,160,560.37
  5. Step 5: Solve for x
    x = 7,935,160,560.37/101,802.03
  6. Step 6: Final answer
    x = 77,946.98

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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.