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Finding the Fourth Proportional to 162,783.15, 228,207.45 and 162,783.15

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Solution

The fourth proportional to 162,783.15, 228,207.45 and 162,783.15 is: 228,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.15 : 228,207.45 = 162,783.15 : x
  2. Step 2: Convert to fraction form
    162,783.15/228,207.45 = 162,783.15/x
  3. Step 3: Cross multiply
    162,783.15x = 228,207.45 × 162,783.15
  4. Step 4: Simplify right side
    162,783.15x = 37,148,327,564.47
  5. Step 5: Solve for x
    x = 37,148,327,564.47/162,783.15
  6. Step 6: Final answer
    x = 228,207.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.