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Finding the Fourth Proportional to 153,358.70, 230,038.05 and 48,188.30

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Solution

The fourth proportional to 153,358.70, 230,038.05 and 48,188.30 is: 72,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.70 : 230,038.05 = 48,188.30 : x
  2. Step 2: Convert to fraction form
    153,358.70/230,038.05 = 48,188.30/x
  3. Step 3: Cross multiply
    153,358.70x = 230,038.05 × 48,188.30
  4. Step 4: Simplify right side
    153,358.70x = 11,085,142,564.82
  5. Step 5: Solve for x
    x = 11,085,142,564.82/153,358.70
  6. Step 6: Final answer
    x = 72,282.45

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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.