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Finding the Fourth Proportional to 88,020.80, 132,031.20 and 46,030.40

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Solution

The fourth proportional to 88,020.80, 132,031.20 and 46,030.40 is: 69,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020.80 : 132,031.20 = 46,030.40 : x
  2. Step 2: Convert to fraction form
    88,020.80/132,031.20 = 46,030.40/x
  3. Step 3: Cross multiply
    88,020.80x = 132,031.20 × 46,030.40
  4. Step 4: Simplify right side
    88,020.80x = 6,077,448,948.48
  5. Step 5: Solve for x
    x = 6,077,448,948.48/88,020.80
  6. Step 6: Final answer
    x = 69,045.60

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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.