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Finding the Fourth Proportional to 114,482.42, 157,980.12 and 63,491.16

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Solution

The fourth proportional to 114,482.42, 157,980.12 and 63,491.16 is: 87,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,482.42 : 157,980.12 = 63,491.16 : x
  2. Step 2: Convert to fraction form
    114,482.42/157,980.12 = 63,491.16/x
  3. Step 3: Cross multiply
    114,482.42x = 157,980.12 × 63,491.16
  4. Step 4: Simplify right side
    114,482.42x = 10,030,341,075.74
  5. Step 5: Solve for x
    x = 10,030,341,075.74/114,482.42
  6. Step 6: Final answer
    x = 87,614.68

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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.