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Finding the Fourth Proportional to 93,488.64, 129,033.60 and 53,205.12

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Solution

The fourth proportional to 93,488.64, 129,033.60 and 53,205.12 is: 73,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,488.64 : 129,033.60 = 53,205.12 : x
  2. Step 2: Convert to fraction form
    93,488.64/129,033.60 = 53,205.12/x
  3. Step 3: Cross multiply
    93,488.64x = 129,033.60 × 53,205.12
  4. Step 4: Simplify right side
    93,488.64x = 6,865,248,172.03
  5. Step 5: Solve for x
    x = 6,865,248,172.03/93,488.64
  6. Step 6: Final answer
    x = 73,434.04

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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.