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Finding the Fourth Proportional to 93,321.96, 128,780.46 and 52,484.91

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Solution

The fourth proportional to 93,321.96, 128,780.46 and 52,484.91 is: 72,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.96 : 128,780.46 = 52,484.91 : x
  2. Step 2: Convert to fraction form
    93,321.96/128,780.46 = 52,484.91/x
  3. Step 3: Cross multiply
    93,321.96x = 128,780.46 × 52,484.91
  4. Step 4: Simplify right side
    93,321.96x = 6,759,030,852.86
  5. Step 5: Solve for x
    x = 6,759,030,852.86/93,321.96
  6. Step 6: Final answer
    x = 72,427.01

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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.