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Finding the Fourth Proportional to 96,543.40, 144,912.30 and 46,663.60

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Solution

The fourth proportional to 96,543.40, 144,912.30 and 46,663.60 is: 70,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,543.40 : 144,912.30 = 46,663.60 : x
  2. Step 2: Convert to fraction form
    96,543.40/144,912.30 = 46,663.60/x
  3. Step 3: Cross multiply
    96,543.40x = 144,912.30 × 46,663.60
  4. Step 4: Simplify right side
    96,543.40x = 6,762,129,602.28
  5. Step 5: Solve for x
    x = 6,762,129,602.28/96,543.40
  6. Step 6: Final answer
    x = 70,042.38

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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.