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Finding the Fourth Proportional to 145,466.73, 218,157.48 and 56,699.10

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Solution

The fourth proportional to 145,466.73, 218,157.48 and 56,699.10 is: 85,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,466.73 : 218,157.48 = 56,699.10 : x
  2. Step 2: Convert to fraction form
    145,466.73/218,157.48 = 56,699.10/x
  3. Step 3: Cross multiply
    145,466.73x = 218,157.48 × 56,699.10
  4. Step 4: Simplify right side
    145,466.73x = 12,369,332,774.27
  5. Step 5: Solve for x
    x = 12,369,332,774.27/145,466.73
  6. Step 6: Final answer
    x = 85,032.04

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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.