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Finding the Fourth Proportional to 162,603.32, 224,365.81 and 102,130.89

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Solution

The fourth proportional to 162,603.32, 224,365.81 and 102,130.89 is: 140,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,603.32 : 224,365.81 = 102,130.89 : x
  2. Step 2: Convert to fraction form
    162,603.32/224,365.81 = 102,130.89/x
  3. Step 3: Cross multiply
    162,603.32x = 224,365.81 × 102,130.89
  4. Step 4: Simplify right side
    162,603.32x = 22,914,678,228.39
  5. Step 5: Solve for x
    x = 22,914,678,228.39/162,603.32
  6. Step 6: Final answer
    x = 140,923.81

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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.