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Finding the Fourth Proportional to 105,094.40, 147,500.80 and 105,094.40

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Solution

The fourth proportional to 105,094.40, 147,500.80 and 105,094.40 is: 147,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,094.40 : 147,500.80 = 105,094.40 : x
  2. Step 2: Convert to fraction form
    105,094.40/147,500.80 = 105,094.40/x
  3. Step 3: Cross multiply
    105,094.40x = 147,500.80 × 105,094.40
  4. Step 4: Simplify right side
    105,094.40x = 15,501,508,075.52
  5. Step 5: Solve for x
    x = 15,501,508,075.52/105,094.40
  6. Step 6: Final answer
    x = 147,500.80

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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.