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Finding the Fourth Proportional to 105,573.48, 145,650.87 and 60,253.98

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Solution

The fourth proportional to 105,573.48, 145,650.87 and 60,253.98 is: 83,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.48 : 145,650.87 = 60,253.98 : x
  2. Step 2: Convert to fraction form
    105,573.48/145,650.87 = 60,253.98/x
  3. Step 3: Cross multiply
    105,573.48x = 145,650.87 × 60,253.98
  4. Step 4: Simplify right side
    105,573.48x = 8,776,044,607.96
  5. Step 5: Solve for x
    x = 8,776,044,607.96/105,573.48
  6. Step 6: Final answer
    x = 83,127.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.