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Finding the Fourth Proportional to 85,594.98, 128,367.35 and 32,248.45

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Solution

The fourth proportional to 85,594.98, 128,367.35 and 32,248.45 is: 48,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,594.98 : 128,367.35 = 32,248.45 : x
  2. Step 2: Convert to fraction form
    85,594.98/128,367.35 = 32,248.45/x
  3. Step 3: Cross multiply
    85,594.98x = 128,367.35 × 32,248.45
  4. Step 4: Simplify right side
    85,594.98x = 4,139,648,068.11
  5. Step 5: Solve for x
    x = 4,139,648,068.11/85,594.98
  6. Step 6: Final answer
    x = 48,363.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.