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Finding the Fourth Proportional to 162,669.48, 224,483.64 and 91,063.26

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Solution

The fourth proportional to 162,669.48, 224,483.64 and 91,063.26 is: 125,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,669.48 : 224,483.64 = 91,063.26 : x
  2. Step 2: Convert to fraction form
    162,669.48/224,483.64 = 91,063.26/x
  3. Step 3: Cross multiply
    162,669.48x = 224,483.64 × 91,063.26
  4. Step 4: Simplify right side
    162,669.48x = 20,442,212,075.07
  5. Step 5: Solve for x
    x = 20,442,212,075.07/162,669.48
  6. Step 6: Final answer
    x = 125,667.16

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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.