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Finding the Fourth Proportional to 186,307.64, 257,104.50 and 101,425.32

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Solution

The fourth proportional to 186,307.64, 257,104.50 and 101,425.32 is: 139,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,307.64 : 257,104.50 = 101,425.32 : x
  2. Step 2: Convert to fraction form
    186,307.64/257,104.50 = 101,425.32/x
  3. Step 3: Cross multiply
    186,307.64x = 257,104.50 × 101,425.32
  4. Step 4: Simplify right side
    186,307.64x = 26,076,906,185.94
  5. Step 5: Solve for x
    x = 26,076,906,185.94/186,307.64
  6. Step 6: Final answer
    x = 139,966.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.