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Finding the Fourth Proportional to 186,292.98, 257,085.90 and 101,409.84

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Solution

The fourth proportional to 186,292.98, 257,085.90 and 101,409.84 is: 139,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,292.98 : 257,085.90 = 101,409.84 : x
  2. Step 2: Convert to fraction form
    186,292.98/257,085.90 = 101,409.84/x
  3. Step 3: Cross multiply
    186,292.98x = 257,085.90 × 101,409.84
  4. Step 4: Simplify right side
    186,292.98x = 26,071,039,985.26
  5. Step 5: Solve for x
    x = 26,071,039,985.26/186,292.98
  6. Step 6: Final answer
    x = 139,946.44

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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.