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Finding the Fourth Proportional to 77,303.58, 106,681.59 and 45,036.06

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Solution

The fourth proportional to 77,303.58, 106,681.59 and 45,036.06 is: 62,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303.58 : 106,681.59 = 45,036.06 : x
  2. Step 2: Convert to fraction form
    77,303.58/106,681.59 = 45,036.06/x
  3. Step 3: Cross multiply
    77,303.58x = 106,681.59 × 45,036.06
  4. Step 4: Simplify right side
    77,303.58x = 4,804,518,488.14
  5. Step 5: Solve for x
    x = 4,804,518,488.14/77,303.58
  6. Step 6: Final answer
    x = 62,151.31

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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.