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Finding the Fourth Proportional to 186,302.60, 279,432.30 and 53,203.40

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Solution

The fourth proportional to 186,302.60, 279,432.30 and 53,203.40 is: 79,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,302.60 : 279,432.30 = 53,203.40 : x
  2. Step 2: Convert to fraction form
    186,302.60/279,432.30 = 53,203.40/x
  3. Step 3: Cross multiply
    186,302.60x = 279,432.30 × 53,203.40
  4. Step 4: Simplify right side
    186,302.60x = 14,866,748,429.82
  5. Step 5: Solve for x
    x = 14,866,748,429.82/186,302.60
  6. Step 6: Final answer
    x = 79,798.93

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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.