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Finding the Fourth Proportional to 93,098.88, 128,520 and 59,584.32

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Solution

The fourth proportional to 93,098.88, 128,520 and 59,584.32 is: 82,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,098.88 : 128,520 = 59,584.32 : x
  2. Step 2: Convert to fraction form
    93,098.88/128,520 = 59,584.32/x
  3. Step 3: Cross multiply
    93,098.88x = 128,520 × 59,584.32
  4. Step 4: Simplify right side
    93,098.88x = 7,657,776,806.40
  5. Step 5: Solve for x
    x = 7,657,776,806.40/93,098.88
  6. Step 6: Final answer
    x = 82,254.23

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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.