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Finding the Fourth Proportional to 110,737.96, 152,829.60 and 65,430.60

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Solution

The fourth proportional to 110,737.96, 152,829.60 and 65,430.60 is: 90,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,737.96 : 152,829.60 = 65,430.60 : x
  2. Step 2: Convert to fraction form
    110,737.96/152,829.60 = 65,430.60/x
  3. Step 3: Cross multiply
    110,737.96x = 152,829.60 × 65,430.60
  4. Step 4: Simplify right side
    110,737.96x = 9,999,732,425.76
  5. Step 5: Solve for x
    x = 9,999,732,425.76/110,737.96
  6. Step 6: Final answer
    x = 90,300.85

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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.