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Finding the Fourth Proportional to 162,606.48, 224,384.64 and 90,973.28

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Solution

The fourth proportional to 162,606.48, 224,384.64 and 90,973.28 is: 125,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,606.48 : 224,384.64 = 90,973.28 : x
  2. Step 2: Convert to fraction form
    162,606.48/224,384.64 = 90,973.28/x
  3. Step 3: Cross multiply
    162,606.48x = 224,384.64 × 90,973.28
  4. Step 4: Simplify right side
    162,606.48x = 20,413,006,682.42
  5. Step 5: Solve for x
    x = 20,413,006,682.42/162,606.48
  6. Step 6: Final answer
    x = 125,536.24

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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.