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Finding the Fourth Proportional to 180,495.96, 249,086.40 and 99,924.82

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Solution

The fourth proportional to 180,495.96, 249,086.40 and 99,924.82 is: 137,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,495.96 : 249,086.40 = 99,924.82 : x
  2. Step 2: Convert to fraction form
    180,495.96/249,086.40 = 99,924.82/x
  3. Step 3: Cross multiply
    180,495.96x = 249,086.40 × 99,924.82
  4. Step 4: Simplify right side
    180,495.96x = 24,889,913,684.45
  5. Step 5: Solve for x
    x = 24,889,913,684.45/180,495.96
  6. Step 6: Final answer
    x = 137,897.35

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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.