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Finding the Fourth Proportional to 93,337.49, 128,801.08 and 53,045.93

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Solution

The fourth proportional to 93,337.49, 128,801.08 and 53,045.93 is: 73,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337.49 : 128,801.08 = 53,045.93 : x
  2. Step 2: Convert to fraction form
    93,337.49/128,801.08 = 53,045.93/x
  3. Step 3: Cross multiply
    93,337.49x = 128,801.08 × 53,045.93
  4. Step 4: Simplify right side
    93,337.49x = 6,832,373,073.60
  5. Step 5: Solve for x
    x = 6,832,373,073.60/93,337.49
  6. Step 6: Final answer
    x = 73,200.74

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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.