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Finding the Fourth Proportional to 133,435.68, 184,263.68 and 85,772.04

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Solution

The fourth proportional to 133,435.68, 184,263.68 and 85,772.04 is: 118,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,435.68 : 184,263.68 = 85,772.04 : x
  2. Step 2: Convert to fraction form
    133,435.68/184,263.68 = 85,772.04/x
  3. Step 3: Cross multiply
    133,435.68x = 184,263.68 × 85,772.04
  4. Step 4: Simplify right side
    133,435.68x = 15,804,671,731.51
  5. Step 5: Solve for x
    x = 15,804,671,731.51/133,435.68
  6. Step 6: Final answer
    x = 118,444.12

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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.