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Finding the Fourth Proportional to 166,307.60, 249,187.80 and 96,064.40

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Solution

The fourth proportional to 166,307.60, 249,187.80 and 96,064.40 is: 143,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.60 : 249,187.80 = 96,064.40 : x
  2. Step 2: Convert to fraction form
    166,307.60/249,187.80 = 96,064.40/x
  3. Step 3: Cross multiply
    166,307.60x = 249,187.80 × 96,064.40
  4. Step 4: Simplify right side
    166,307.60x = 23,938,076,494.32
  5. Step 5: Solve for x
    x = 23,938,076,494.32/166,307.60
  6. Step 6: Final answer
    x = 143,938.56

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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.