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Finding the Fourth Proportional to 141,801.60, 212,702.40 and 57,602.10

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Solution

The fourth proportional to 141,801.60, 212,702.40 and 57,602.10 is: 86,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,801.60 : 212,702.40 = 57,602.10 : x
  2. Step 2: Convert to fraction form
    141,801.60/212,702.40 = 57,602.10/x
  3. Step 3: Cross multiply
    141,801.60x = 212,702.40 × 57,602.10
  4. Step 4: Simplify right side
    141,801.60x = 12,252,104,915.04
  5. Step 5: Solve for x
    x = 12,252,104,915.04/141,801.60
  6. Step 6: Final answer
    x = 86,403.15

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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.