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Finding the Fourth Proportional to 101,374.08, 139,901.10 and 56,051.22

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Solution

The fourth proportional to 101,374.08, 139,901.10 and 56,051.22 is: 77,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.08 : 139,901.10 = 56,051.22 : x
  2. Step 2: Convert to fraction form
    101,374.08/139,901.10 = 56,051.22/x
  3. Step 3: Cross multiply
    101,374.08x = 139,901.10 × 56,051.22
  4. Step 4: Simplify right side
    101,374.08x = 7,841,627,334.34
  5. Step 5: Solve for x
    x = 7,841,627,334.34/101,374.08
  6. Step 6: Final answer
    x = 77,353.38

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1.5x scale

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.