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Finding the Fourth Proportional to 93,654.97, 129,238.34 and 53,368.40

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Solution

The fourth proportional to 93,654.97, 129,238.34 and 53,368.40 is: 73,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,654.97 : 129,238.34 = 53,368.40 : x
  2. Step 2: Convert to fraction form
    93,654.97/129,238.34 = 53,368.40/x
  3. Step 3: Cross multiply
    93,654.97x = 129,238.34 × 53,368.40
  4. Step 4: Simplify right side
    93,654.97x = 6,897,243,480.71
  5. Step 5: Solve for x
    x = 6,897,243,480.71/93,654.97
  6. Step 6: Final answer
    x = 73,645.25

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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.