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Finding the Fourth Proportional to 93,818.94, 129,485.24 and 53,534.40

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Solution

The fourth proportional to 93,818.94, 129,485.24 and 53,534.40 is: 73,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.94 : 129,485.24 = 53,534.40 : x
  2. Step 2: Convert to fraction form
    93,818.94/129,485.24 = 53,534.40/x
  3. Step 3: Cross multiply
    93,818.94x = 129,485.24 × 53,534.40
  4. Step 4: Simplify right side
    93,818.94x = 6,931,914,364.58
  5. Step 5: Solve for x
    x = 6,931,914,364.58/93,818.94
  6. Step 6: Final answer
    x = 73,886.09

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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.