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Finding the Fourth Proportional to 153,630.36, 230,445.54 and 48,457.53

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Solution

The fourth proportional to 153,630.36, 230,445.54 and 48,457.53 is: 72,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,630.36 : 230,445.54 = 48,457.53 : x
  2. Step 2: Convert to fraction form
    153,630.36/230,445.54 = 48,457.53/x
  3. Step 3: Cross multiply
    153,630.36x = 230,445.54 × 48,457.53
  4. Step 4: Simplify right side
    153,630.36x = 11,166,821,667.92
  5. Step 5: Solve for x
    x = 11,166,821,667.92/153,630.36
  6. Step 6: Final answer
    x = 72,686.30

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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.