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Finding the Fourth Proportional to 180,770.90, 249,463.41 and 99,099.01

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Solution

The fourth proportional to 180,770.90, 249,463.41 and 99,099.01 is: 136,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,770.90 : 249,463.41 = 99,099.01 : x
  2. Step 2: Convert to fraction form
    180,770.90/249,463.41 = 99,099.01/x
  3. Step 3: Cross multiply
    180,770.90x = 249,463.41 × 99,099.01
  4. Step 4: Simplify right side
    180,770.90x = 24,721,576,962.22
  5. Step 5: Solve for x
    x = 24,721,576,962.22/180,770.90
  6. Step 6: Final answer
    x = 136,756.40

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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.