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Finding the Fourth Proportional to 93,957.30, 129,667.07 and 62,070.30

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Solution

The fourth proportional to 93,957.30, 129,667.07 and 62,070.30 is: 85,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.30 : 129,667.07 = 62,070.30 : x
  2. Step 2: Convert to fraction form
    93,957.30/129,667.07 = 62,070.30/x
  3. Step 3: Cross multiply
    93,957.30x = 129,667.07 × 62,070.30
  4. Step 4: Simplify right side
    93,957.30x = 8,048,473,935.02
  5. Step 5: Solve for x
    x = 8,048,473,935.02/93,957.30
  6. Step 6: Final answer
    x = 85,660.98

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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.