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Finding the Fourth Proportional to 88,683.60, 133,031.80 and 53,547.60

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Solution

The fourth proportional to 88,683.60, 133,031.80 and 53,547.60 is: 80,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.60 : 133,031.80 = 53,547.60 : x
  2. Step 2: Convert to fraction form
    88,683.60/133,031.80 = 53,547.60/x
  3. Step 3: Cross multiply
    88,683.60x = 133,031.80 × 53,547.60
  4. Step 4: Simplify right side
    88,683.60x = 7,123,533,613.68
  5. Step 5: Solve for x
    x = 7,123,533,613.68/88,683.60
  6. Step 6: Final answer
    x = 80,325.26

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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.