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Finding the Fourth Proportional to 180,527.63, 249,135.91 and 99,955.15

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Solution

The fourth proportional to 180,527.63, 249,135.91 and 99,955.15 is: 137,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,527.63 : 249,135.91 = 99,955.15 : x
  2. Step 2: Convert to fraction form
    180,527.63/249,135.91 = 99,955.15/x
  3. Step 3: Cross multiply
    180,527.63x = 249,135.91 × 99,955.15
  4. Step 4: Simplify right side
    180,527.63x = 24,902,416,381.71
  5. Step 5: Solve for x
    x = 24,902,416,381.71/180,527.63
  6. Step 6: Final answer
    x = 137,942.41

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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.