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Finding the Fourth Proportional to 92,703.66, 139,075.74 and 33,533.16

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Solution

The fourth proportional to 92,703.66, 139,075.74 and 33,533.16 is: 50,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.66 : 139,075.74 = 33,533.16 : x
  2. Step 2: Convert to fraction form
    92,703.66/139,075.74 = 33,533.16/x
  3. Step 3: Cross multiply
    92,703.66x = 139,075.74 × 33,533.16
  4. Step 4: Simplify right side
    92,703.66x = 4,663,649,041.54
  5. Step 5: Solve for x
    x = 4,663,649,041.54/92,703.66
  6. Step 6: Final answer
    x = 50,307.06

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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.