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Finding the Fourth Proportional to 14,333,152.40, 20,123,100.40 and 14,333,152.40

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Solution

The fourth proportional to 14,333,152.40, 20,123,100.40 and 14,333,152.40 is: 20,123,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333,152.40 : 20,123,100.40 = 14,333,152.40 : x
  2. Step 2: Convert to fraction form
    14,333,152.40/20,123,100.40 = 14,333,152.40/x
  3. Step 3: Cross multiply
    14,333,152.40x = 20,123,100.40 × 14,333,152.40
  4. Step 4: Simplify right side
    14,333,152.40x = 288,427,464,793,700.94
  5. Step 5: Solve for x
    x = 288,427,464,793,700.94/14,333,152.40
  6. Step 6: Final answer
    x = 20,123,100.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.