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Finding the Fourth Proportional to 186,298.36, 279,447.54 and 153,333.16

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Solution

The fourth proportional to 186,298.36, 279,447.54 and 153,333.16 is: 229,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,298.36 : 279,447.54 = 153,333.16 : x
  2. Step 2: Convert to fraction form
    186,298.36/279,447.54 = 153,333.16/x
  3. Step 3: Cross multiply
    186,298.36x = 279,447.54 × 153,333.16
  4. Step 4: Simplify right side
    186,298.36x = 42,848,574,362.43
  5. Step 5: Solve for x
    x = 42,848,574,362.43/186,298.36
  6. Step 6: Final answer
    x = 229,999.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.