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Finding the Fourth Proportional to 94,547.70, 130,482.90 and 52,106.40

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Solution

The fourth proportional to 94,547.70, 130,482.90 and 52,106.40 is: 71,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,547.70 : 130,482.90 = 52,106.40 : x
  2. Step 2: Convert to fraction form
    94,547.70/130,482.90 = 52,106.40/x
  3. Step 3: Cross multiply
    94,547.70x = 130,482.90 × 52,106.40
  4. Step 4: Simplify right side
    94,547.70x = 6,798,994,180.56
  5. Step 5: Solve for x
    x = 6,798,994,180.56/94,547.70
  6. Step 6: Final answer
    x = 71,910.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.